Home / 63,148,006.78-87,144,248.60-34,174,630.78

Finding the Fourth Proportional to 63,148,006.78, 87,144,248.60 and 34,174,630.78

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Solution

The fourth proportional to 63,148,006.78, 87,144,248.60 and 34,174,630.78 is: 47,160,990.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,148,006.78 : 87,144,248.60 = 34,174,630.78 : x
  2. Step 2: Convert to fraction form
    63,148,006.78/87,144,248.60 = 34,174,630.78/x
  3. Step 3: Cross multiply
    63,148,006.78x = 87,144,248.60 × 34,174,630.78
  4. Step 4: Simplify right side
    63,148,006.78x = 2,978,122,520,334,659
  5. Step 5: Solve for x
    x = 2,978,122,520,334,659/63,148,006.78
  6. Step 6: Final answer
    x = 47,160,990.06

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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.