Home / 91,775,116.60-137,662,674.90-40,602,815.80

Finding the Fourth Proportional to 91,775,116.60, 137,662,674.90 and 40,602,815.80

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Solution

The fourth proportional to 91,775,116.60, 137,662,674.90 and 40,602,815.80 is: 60,904,223.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,775,116.60 : 137,662,674.90 = 40,602,815.80 : x
  2. Step 2: Convert to fraction form
    91,775,116.60/137,662,674.90 = 40,602,815.80/x
  3. Step 3: Cross multiply
    91,775,116.60x = 137,662,674.90 × 40,602,815.80
  4. Step 4: Simplify right side
    91,775,116.60x = 5,589,492,231,499,983
  5. Step 5: Solve for x
    x = 5,589,492,231,499,983/91,775,116.60
  6. Step 6: Final answer
    x = 60,904,223.70

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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.