Home / 91,006,775,108.40-136,510,162,662.60-55,742,901,265.20

Finding the Fourth Proportional to 91,006,775,108.40, 136,510,162,662.60 and 55,742,901,265.20

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Solution

The fourth proportional to 91,006,775,108.40, 136,510,162,662.60 and 55,742,901,265.20 is: 83,614,351,897.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,006,775,108.40 : 136,510,162,662.60 = 55,742,901,265.20 : x
  2. Step 2: Convert to fraction form
    91,006,775,108.40/136,510,162,662.60 = 55,742,901,265.20/x
  3. Step 3: Cross multiply
    91,006,775,108.40x = 136,510,162,662.60 × 55,742,901,265.20
  4. Step 4: Simplify right side
    91,006,775,108.40x = 7,609,472,518,997,703,393,280
  5. Step 5: Solve for x
    x = 7,609,472,518,997,703,393,280/91,006,775,108.40
  6. Step 6: Final answer
    x = 83,614,351,897.80

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.