Home / 83,209,614.40-124,764,655.20-42,898,830.40

Finding the Fourth Proportional to 83,209,614.40, 124,764,655.20 and 42,898,830.40

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Solution

The fourth proportional to 83,209,614.40, 124,764,655.20 and 42,898,830.40 is: 64,322,588.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,209,614.40 : 124,764,655.20 = 42,898,830.40 : x
  2. Step 2: Convert to fraction form
    83,209,614.40/124,764,655.20 = 42,898,830.40/x
  3. Step 3: Cross multiply
    83,209,614.40x = 124,764,655.20 × 42,898,830.40
  4. Step 4: Simplify right side
    83,209,614.40x = 5,352,257,783,339,278
  5. Step 5: Solve for x
    x = 5,352,257,783,339,278/83,209,614.40
  6. Step 6: Final answer
    x = 64,322,588.46

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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.