Home / 57,780,970.12-79,737,444.90-31,319,217.24

Finding the Fourth Proportional to 57,780,970.12, 79,737,444.90 and 31,319,217.24

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Solution

The fourth proportional to 57,780,970.12, 79,737,444.90 and 31,319,217.24 is: 43,220,360.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,780,970.12 : 79,737,444.90 = 31,319,217.24 : x
  2. Step 2: Convert to fraction form
    57,780,970.12/79,737,444.90 = 31,319,217.24/x
  3. Step 3: Cross multiply
    57,780,970.12x = 79,737,444.90 × 31,319,217.24
  4. Step 4: Simplify right side
    57,780,970.12x = 2,497,314,358,985,630
  5. Step 5: Solve for x
    x = 2,497,314,358,985,630/57,780,970.12
  6. Step 6: Final answer
    x = 43,220,360.51

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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.