Home / 147,049,901.28-220,538,093.90-43,398,534.38

Finding the Fourth Proportional to 147,049,901.28, 220,538,093.90 and 43,398,534.38

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Solution

The fourth proportional to 147,049,901.28, 220,538,093.90 and 43,398,534.38 is: 65,086,953.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,049,901.28 : 220,538,093.90 = 43,398,534.38 : x
  2. Step 2: Convert to fraction form
    147,049,901.28/220,538,093.90 = 43,398,534.38/x
  3. Step 3: Cross multiply
    147,049,901.28x = 220,538,093.90 × 43,398,534.38
  4. Step 4: Simplify right side
    147,049,901.28x = 9,571,030,050,218,820
  5. Step 5: Solve for x
    x = 9,571,030,050,218,820/147,049,901.28
  6. Step 6: Final answer
    x = 65,086,953.25

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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.