Home / 131,595,807.60-197,818,864.20-121,392,140.40

Finding the Fourth Proportional to 131,595,807.60, 197,818,864.20 and 121,392,140.40

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Solution

The fourth proportional to 131,595,807.60, 197,818,864.20 and 121,392,140.40 is: 182,480,397.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,595,807.60 : 197,818,864.20 = 121,392,140.40 : x
  2. Step 2: Convert to fraction form
    131,595,807.60/197,818,864.20 = 121,392,140.40/x
  3. Step 3: Cross multiply
    131,595,807.60x = 197,818,864.20 × 121,392,140.40
  4. Step 4: Simplify right side
    131,595,807.60x = 24,013,655,336,734,932
  5. Step 5: Solve for x
    x = 24,013,655,336,734,932/131,595,807.60
  6. Step 6: Final answer
    x = 182,480,397.93

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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.