Home / 130,963,232.70-196,444,849.05-54,260,768.70

Finding the Fourth Proportional to 130,963,232.70, 196,444,849.05 and 54,260,768.70

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Solution

The fourth proportional to 130,963,232.70, 196,444,849.05 and 54,260,768.70 is: 81,391,153.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,963,232.70 : 196,444,849.05 = 54,260,768.70 : x
  2. Step 2: Convert to fraction form
    130,963,232.70/196,444,849.05 = 54,260,768.70/x
  3. Step 3: Cross multiply
    130,963,232.70x = 196,444,849.05 × 54,260,768.70
  4. Step 4: Simplify right side
    130,963,232.70x = 10,659,248,516,608,466
  5. Step 5: Solve for x
    x = 10,659,248,516,608,466/130,963,232.70
  6. Step 6: Final answer
    x = 81,391,153.05

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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.