Home / 67,877,489.50-93,663,304.39-39,998,389.88

Finding the Fourth Proportional to 67,877,489.50, 93,663,304.39 and 39,998,389.88

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Solution

The fourth proportional to 67,877,489.50, 93,663,304.39 and 39,998,389.88 is: 55,193,281.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,877,489.50 : 93,663,304.39 = 39,998,389.88 : x
  2. Step 2: Convert to fraction form
    67,877,489.50/93,663,304.39 = 39,998,389.88/x
  3. Step 3: Cross multiply
    67,877,489.50x = 93,663,304.39 × 39,998,389.88
  4. Step 4: Simplify right side
    67,877,489.50x = 3,746,381,366,724,492
  5. Step 5: Solve for x
    x = 3,746,381,366,724,492/67,877,489.50
  6. Step 6: Final answer
    x = 55,193,281.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.