Home / 367,785,457.70-551,680,218.32-91,436,672.16

Finding the Fourth Proportional to 367,785,457.70, 551,680,218.32 and 91,436,672.16

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Solution

The fourth proportional to 367,785,457.70, 551,680,218.32 and 91,436,672.16 is: 137,155,513.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,785,457.70 : 551,680,218.32 = 91,436,672.16 : x
  2. Step 2: Convert to fraction form
    367,785,457.70/551,680,218.32 = 91,436,672.16/x
  3. Step 3: Cross multiply
    367,785,457.70x = 551,680,218.32 × 91,436,672.16
  4. Step 4: Simplify right side
    367,785,457.70x = 50,443,803,259,225,888
  5. Step 5: Solve for x
    x = 50,443,803,259,225,888/367,785,457.70
  6. Step 6: Final answer
    x = 137,155,513.37

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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.