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Finding the Fourth Proportional to 52,671,874.80, 73,791,013.20 and 52,671,874.80

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Solution

The fourth proportional to 52,671,874.80, 73,791,013.20 and 52,671,874.80 is: 73,791,013.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,671,874.80 : 73,791,013.20 = 52,671,874.80 : x
  2. Step 2: Convert to fraction form
    52,671,874.80/73,791,013.20 = 52,671,874.80/x
  3. Step 3: Cross multiply
    52,671,874.80x = 73,791,013.20 × 52,671,874.80
  4. Step 4: Simplify right side
    52,671,874.80x = 3,886,711,008,635,547.50
  5. Step 5: Solve for x
    x = 3,886,711,008,635,547.50/52,671,874.80
  6. Step 6: Final answer
    x = 73,791,013.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.