Home / 47,635,648.08-65,712,956.67-31,125,424.92

Finding the Fourth Proportional to 47,635,648.08, 65,712,956.67 and 31,125,424.92

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Solution

The fourth proportional to 47,635,648.08, 65,712,956.67 and 31,125,424.92 is: 42,937,249.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,635,648.08 : 65,712,956.67 = 31,125,424.92 : x
  2. Step 2: Convert to fraction form
    47,635,648.08/65,712,956.67 = 31,125,424.92/x
  3. Step 3: Cross multiply
    47,635,648.08x = 65,712,956.67 × 31,125,424.92
  4. Step 4: Simplify right side
    47,635,648.08x = 2,045,343,699,103,298.50
  5. Step 5: Solve for x
    x = 2,045,343,699,103,298.50/47,635,648.08
  6. Step 6: Final answer
    x = 42,937,249.34

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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.