Home / 66,438,085.80-99,657,128.70-60,060,793.80

Finding the Fourth Proportional to 66,438,085.80, 99,657,128.70 and 60,060,793.80

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Solution

The fourth proportional to 66,438,085.80, 99,657,128.70 and 60,060,793.80 is: 90,091,190.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,438,085.80 : 99,657,128.70 = 60,060,793.80 : x
  2. Step 2: Convert to fraction form
    66,438,085.80/99,657,128.70 = 60,060,793.80/x
  3. Step 3: Cross multiply
    66,438,085.80x = 99,657,128.70 × 60,060,793.80
  4. Step 4: Simplify right side
    66,438,085.80x = 5,985,486,257,550,762
  5. Step 5: Solve for x
    x = 5,985,486,257,550,762/66,438,085.80
  6. Step 6: Final answer
    x = 90,091,190.70

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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.