Home / 103,437,031.96-155,178,253.86-30,659,426.20

Finding the Fourth Proportional to 103,437,031.96, 155,178,253.86 and 30,659,426.20

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Solution

The fourth proportional to 103,437,031.96, 155,178,253.86 and 30,659,426.20 is: 45,995,869.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,437,031.96 : 155,178,253.86 = 30,659,426.20 : x
  2. Step 2: Convert to fraction form
    103,437,031.96/155,178,253.86 = 30,659,426.20/x
  3. Step 3: Cross multiply
    103,437,031.96x = 155,178,253.86 × 30,659,426.20
  4. Step 4: Simplify right side
    103,437,031.96x = 4,757,676,222,065,535
  5. Step 5: Solve for x
    x = 4,757,676,222,065,535/103,437,031.96
  6. Step 6: Final answer
    x = 45,995,869.49

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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.