Home / 52,078,312.80-78,037,753.05-49,208,531.40

Finding the Fourth Proportional to 52,078,312.80, 78,037,753.05 and 49,208,531.40

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Solution

The fourth proportional to 52,078,312.80, 78,037,753.05 and 49,208,531.40 is: 73,737,473.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,078,312.80 : 78,037,753.05 = 49,208,531.40 : x
  2. Step 2: Convert to fraction form
    52,078,312.80/78,037,753.05 = 49,208,531.40/x
  3. Step 3: Cross multiply
    52,078,312.80x = 78,037,753.05 × 49,208,531.40
  4. Step 4: Simplify right side
    52,078,312.80x = 3,840,123,221,346,370.50
  5. Step 5: Solve for x
    x = 3,840,123,221,346,370.50/52,078,312.80
  6. Step 6: Final answer
    x = 73,737,473.72

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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.