Home / 131,531,179.20-197,128,807.20-101,088,139.20

Finding the Fourth Proportional to 131,531,179.20, 197,128,807.20 and 101,088,139.20

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Solution

The fourth proportional to 131,531,179.20, 197,128,807.20 and 101,088,139.20 is: 151,503,122.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,531,179.20 : 197,128,807.20 = 101,088,139.20 : x
  2. Step 2: Convert to fraction form
    131,531,179.20/197,128,807.20 = 101,088,139.20/x
  3. Step 3: Cross multiply
    131,531,179.20x = 197,128,807.20 × 101,088,139.20
  4. Step 4: Simplify right side
    131,531,179.20x = 19,927,384,302,563,560
  5. Step 5: Solve for x
    x = 19,927,384,302,563,560/131,531,179.20
  6. Step 6: Final answer
    x = 151,503,122.10

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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.