Home / 102,172,899.20-153,371,323.20-63,877,654.40

Finding the Fourth Proportional to 102,172,899.20, 153,371,323.20 and 63,877,654.40

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Solution

The fourth proportional to 102,172,899.20, 153,371,323.20 and 63,877,654.40 is: 95,886,487.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,172,899.20 : 153,371,323.20 = 63,877,654.40 : x
  2. Step 2: Convert to fraction form
    102,172,899.20/153,371,323.20 = 63,877,654.40/x
  3. Step 3: Cross multiply
    102,172,899.20x = 153,371,323.20 × 63,877,654.40
  4. Step 4: Simplify right side
    102,172,899.20x = 9,797,000,378,240,302
  5. Step 5: Solve for x
    x = 9,797,000,378,240,302/102,172,899.20
  6. Step 6: Final answer
    x = 95,886,487.07

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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.