Home / 71,050,750.72-98,039,600.34-39,684,934.72

Finding the Fourth Proportional to 71,050,750.72, 98,039,600.34 and 39,684,934.72

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Solution

The fourth proportional to 71,050,750.72, 98,039,600.34 and 39,684,934.72 is: 54,759,381.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,050,750.72 : 98,039,600.34 = 39,684,934.72 : x
  2. Step 2: Convert to fraction form
    71,050,750.72/98,039,600.34 = 39,684,934.72/x
  3. Step 3: Cross multiply
    71,050,750.72x = 98,039,600.34 × 39,684,934.72
  4. Step 4: Simplify right side
    71,050,750.72x = 3,890,695,139,467,790
  5. Step 5: Solve for x
    x = 3,890,695,139,467,790/71,050,750.72
  6. Step 6: Final answer
    x = 54,759,381.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.