Home / 78,486,437.92-117,748,500.72-24,633,749.92

Finding the Fourth Proportional to 78,486,437.92, 117,748,500.72 and 24,633,749.92

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Solution

The fourth proportional to 78,486,437.92, 117,748,500.72 and 24,633,749.92 is: 36,956,539.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,486,437.92 : 117,748,500.72 = 24,633,749.92 : x
  2. Step 2: Convert to fraction form
    78,486,437.92/117,748,500.72 = 24,633,749.92/x
  3. Step 3: Cross multiply
    78,486,437.92x = 117,748,500.72 × 24,633,749.92
  4. Step 4: Simplify right side
    78,486,437.92x = 2,900,587,120,191,420
  5. Step 5: Solve for x
    x = 2,900,587,120,191,420/78,486,437.92
  6. Step 6: Final answer
    x = 36,956,539.21

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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.