Home / 66,782,373.12-99,950,352.96-38,020,787.52

Finding the Fourth Proportional to 66,782,373.12, 99,950,352.96 and 38,020,787.52

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Solution

The fourth proportional to 66,782,373.12, 99,950,352.96 and 38,020,787.52 is: 56,904,104.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,782,373.12 : 99,950,352.96 = 38,020,787.52 : x
  2. Step 2: Convert to fraction form
    66,782,373.12/99,950,352.96 = 38,020,787.52/x
  3. Step 3: Cross multiply
    66,782,373.12x = 99,950,352.96 × 38,020,787.52
  4. Step 4: Simplify right side
    66,782,373.12x = 3,800,191,132,441,163
  5. Step 5: Solve for x
    x = 3,800,191,132,441,163/66,782,373.12
  6. Step 6: Final answer
    x = 56,904,104.41

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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.