Home / 149,461,208.10-224,191,812.15-81,436,760.10

Finding the Fourth Proportional to 149,461,208.10, 224,191,812.15 and 81,436,760.10

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Solution

The fourth proportional to 149,461,208.10, 224,191,812.15 and 81,436,760.10 is: 122,155,140.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,461,208.10 : 224,191,812.15 = 81,436,760.10 : x
  2. Step 2: Convert to fraction form
    149,461,208.10/224,191,812.15 = 81,436,760.10/x
  3. Step 3: Cross multiply
    149,461,208.10x = 224,191,812.15 × 81,436,760.10
  4. Step 4: Simplify right side
    149,461,208.10x = 18,257,454,822,443,816
  5. Step 5: Solve for x
    x = 18,257,454,822,443,816/149,461,208.10
  6. Step 6: Final answer
    x = 122,155,140.15

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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.