Home / 91,006,775,110.40-136,510,162,665.60-55,742,901,267.20

Finding the Fourth Proportional to 91,006,775,110.40, 136,510,162,665.60 and 55,742,901,267.20

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Solution

The fourth proportional to 91,006,775,110.40, 136,510,162,665.60 and 55,742,901,267.20 is: 83,614,351,900.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,006,775,110.40 : 136,510,162,665.60 = 55,742,901,267.20 : x
  2. Step 2: Convert to fraction form
    91,006,775,110.40/136,510,162,665.60 = 55,742,901,267.20/x
  3. Step 3: Cross multiply
    91,006,775,110.40x = 136,510,162,665.60 × 55,742,901,267.20
  4. Step 4: Simplify right side
    91,006,775,110.40x = 7,609,472,519,437,952,221,184
  5. Step 5: Solve for x
    x = 7,609,472,519,437,952,221,184/91,006,775,110.40
  6. Step 6: Final answer
    x = 83,614,351,900.80

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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.