Home / 75,772,666.92-113,641,624.72-21,189,088.38

Finding the Fourth Proportional to 75,772,666.92, 113,641,624.72 and 21,189,088.38

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Solution

The fourth proportional to 75,772,666.92, 113,641,624.72 and 21,189,088.38 is: 31,778,773.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,772,666.92 : 113,641,624.72 = 21,189,088.38 : x
  2. Step 2: Convert to fraction form
    75,772,666.92/113,641,624.72 = 21,189,088.38/x
  3. Step 3: Cross multiply
    75,772,666.92x = 113,641,624.72 × 21,189,088.38
  4. Step 4: Simplify right side
    75,772,666.92x = 2,407,962,429,838,872.50
  5. Step 5: Solve for x
    x = 2,407,962,429,838,872.50/75,772,666.92
  6. Step 6: Final answer
    x = 31,778,773.64

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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.