Home / 458,431,302.33-687,647,166.73-147,538,875.02

Finding the Fourth Proportional to 458,431,302.33, 687,647,166.73 and 147,538,875.02

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Solution

The fourth proportional to 458,431,302.33, 687,647,166.73 and 147,538,875.02 is: 221,308,381.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,431,302.33 : 687,647,166.73 = 147,538,875.02 : x
  2. Step 2: Convert to fraction form
    458,431,302.33/687,647,166.73 = 147,538,875.02/x
  3. Step 3: Cross multiply
    458,431,302.33x = 687,647,166.73 × 147,538,875.02
  4. Step 4: Simplify right side
    458,431,302.33x = 101,454,689,386,227,472
  5. Step 5: Solve for x
    x = 101,454,689,386,227,472/458,431,302.33
  6. Step 6: Final answer
    x = 221,308,381.15

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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.