Home / 131,121,237.60-196,681,856.40-34,068,981.60

Finding the Fourth Proportional to 131,121,237.60, 196,681,856.40 and 34,068,981.60

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Solution

The fourth proportional to 131,121,237.60, 196,681,856.40 and 34,068,981.60 is: 51,103,472.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,121,237.60 : 196,681,856.40 = 34,068,981.60 : x
  2. Step 2: Convert to fraction form
    131,121,237.60/196,681,856.40 = 34,068,981.60/x
  3. Step 3: Cross multiply
    131,121,237.60x = 196,681,856.40 × 34,068,981.60
  4. Step 4: Simplify right side
    131,121,237.60x = 6,700,750,546,745,443
  5. Step 5: Solve for x
    x = 6,700,750,546,745,443/131,121,237.60
  6. Step 6: Final answer
    x = 51,103,472.40

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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.