Home / 134,859,098.12-186,105,549.32-72,979,438.37

Finding the Fourth Proportional to 134,859,098.12, 186,105,549.32 and 72,979,438.37

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Solution

The fourth proportional to 134,859,098.12, 186,105,549.32 and 72,979,438.37 is: 100,711,621.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,859,098.12 : 186,105,549.32 = 72,979,438.37 : x
  2. Step 2: Convert to fraction form
    134,859,098.12/186,105,549.32 = 72,979,438.37/x
  3. Step 3: Cross multiply
    134,859,098.12x = 186,105,549.32 × 72,979,438.37
  4. Step 4: Simplify right side
    134,859,098.12x = 13,581,878,465,618,510
  5. Step 5: Solve for x
    x = 13,581,878,465,618,510/134,859,098.12
  6. Step 6: Final answer
    x = 100,711,621.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.