Home / 138,452,900.02-191,123,832.60-86,267,718.88

Finding the Fourth Proportional to 138,452,900.02, 191,123,832.60 and 86,267,718.88

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Solution

The fourth proportional to 138,452,900.02, 191,123,832.60 and 86,267,718.88 is: 119,086,108.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,452,900.02 : 191,123,832.60 = 86,267,718.88 : x
  2. Step 2: Convert to fraction form
    138,452,900.02/191,123,832.60 = 86,267,718.88/x
  3. Step 3: Cross multiply
    138,452,900.02x = 191,123,832.60 × 86,267,718.88
  4. Step 4: Simplify right side
    138,452,900.02x = 16,487,817,062,004,978
  5. Step 5: Solve for x
    x = 16,487,817,062,004,978/138,452,900.02
  6. Step 6: Final answer
    x = 119,086,108.41

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