Home / 278,062,920.15-417,283,337.03-155,241,000.15

Finding the Fourth Proportional to 278,062,920.15, 417,283,337.03 and 155,241,000.15

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Solution

The fourth proportional to 278,062,920.15, 417,283,337.03 and 155,241,000.15 is: 232,966,993.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,062,920.15 : 417,283,337.03 = 155,241,000.15 : x
  2. Step 2: Convert to fraction form
    278,062,920.15/417,283,337.03 = 155,241,000.15/x
  3. Step 3: Cross multiply
    278,062,920.15x = 417,283,337.03 × 155,241,000.15
  4. Step 4: Simplify right side
    278,062,920.15x = 64,779,482,585,690,528
  5. Step 5: Solve for x
    x = 64,779,482,585,690,528/278,062,920.15
  6. Step 6: Final answer
    x = 232,966,993.77

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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.