Home / 49,011,877.20-73,517,815.80-42,209,432.40

Finding the Fourth Proportional to 49,011,877.20, 73,517,815.80 and 42,209,432.40

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Solution

The fourth proportional to 49,011,877.20, 73,517,815.80 and 42,209,432.40 is: 63,314,148.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,011,877.20 : 73,517,815.80 = 42,209,432.40 : x
  2. Step 2: Convert to fraction form
    49,011,877.20/73,517,815.80 = 42,209,432.40/x
  3. Step 3: Cross multiply
    49,011,877.20x = 73,517,815.80 × 42,209,432.40
  4. Step 4: Simplify right side
    49,011,877.20x = 3,103,145,276,205,751.50
  5. Step 5: Solve for x
    x = 3,103,145,276,205,751.50/49,011,877.20
  6. Step 6: Final answer
    x = 63,314,148.60

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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.