Home / 66,257,142.34-99,292,687.05-52,363,014.70

Finding the Fourth Proportional to 66,257,142.34, 99,292,687.05 and 52,363,014.70

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Solution

The fourth proportional to 66,257,142.34, 99,292,687.05 and 52,363,014.70 is: 78,471,003.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,257,142.34 : 99,292,687.05 = 52,363,014.70 : x
  2. Step 2: Convert to fraction form
    66,257,142.34/99,292,687.05 = 52,363,014.70/x
  3. Step 3: Cross multiply
    66,257,142.34x = 99,292,687.05 × 52,363,014.70
  4. Step 4: Simplify right side
    66,257,142.34x = 5,199,264,431,601,650
  5. Step 5: Solve for x
    x = 5,199,264,431,601,650/66,257,142.34
  6. Step 6: Final answer
    x = 78,471,003.25

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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.