Home / 66,487,947.20-99,731,920.80-44,932,875.20

Finding the Fourth Proportional to 66,487,947.20, 99,731,920.80 and 44,932,875.20

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Solution

The fourth proportional to 66,487,947.20, 99,731,920.80 and 44,932,875.20 is: 67,399,312.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,487,947.20 : 99,731,920.80 = 44,932,875.20 : x
  2. Step 2: Convert to fraction form
    66,487,947.20/99,731,920.80 = 44,932,875.20/x
  3. Step 3: Cross multiply
    66,487,947.20x = 99,731,920.80 × 44,932,875.20
  4. Step 4: Simplify right side
    66,487,947.20x = 4,481,241,950,762,684.50
  5. Step 5: Solve for x
    x = 4,481,241,950,762,684.50/66,487,947.20
  6. Step 6: Final answer
    x = 67,399,312.80

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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.