Home / 49,915,022.40-74,897,416.80-28,366,171.20

Finding the Fourth Proportional to 49,915,022.40, 74,897,416.80 and 28,366,171.20

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Solution

The fourth proportional to 49,915,022.40, 74,897,416.80 and 28,366,171.20 is: 42,563,397.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,915,022.40 : 74,897,416.80 = 28,366,171.20 : x
  2. Step 2: Convert to fraction form
    49,915,022.40/74,897,416.80 = 28,366,171.20/x
  3. Step 3: Cross multiply
    49,915,022.40x = 74,897,416.80 × 28,366,171.20
  4. Step 4: Simplify right side
    49,915,022.40x = 2,124,552,947,386,556
  5. Step 5: Solve for x
    x = 2,124,552,947,386,556/49,915,022.40
  6. Step 6: Final answer
    x = 42,563,397.66

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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.