Home / 56,376,421.20-84,564,631.80-49,434,008.40

Finding the Fourth Proportional to 56,376,421.20, 84,564,631.80 and 49,434,008.40

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Solution

The fourth proportional to 56,376,421.20, 84,564,631.80 and 49,434,008.40 is: 74,151,012.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,376,421.20 : 84,564,631.80 = 49,434,008.40 : x
  2. Step 2: Convert to fraction form
    56,376,421.20/84,564,631.80 = 49,434,008.40/x
  3. Step 3: Cross multiply
    56,376,421.20x = 84,564,631.80 × 49,434,008.40
  4. Step 4: Simplify right side
    56,376,421.20x = 4,180,368,718,744,107
  5. Step 5: Solve for x
    x = 4,180,368,718,744,107/56,376,421.20
  6. Step 6: Final answer
    x = 74,151,012.60

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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.