Home / 138,440,444.30-207,660,666.45-57,650,914.70

Finding the Fourth Proportional to 138,440,444.30, 207,660,666.45 and 57,650,914.70

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Solution

The fourth proportional to 138,440,444.30, 207,660,666.45 and 57,650,914.70 is: 86,476,372.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,440,444.30 : 207,660,666.45 = 57,650,914.70 : x
  2. Step 2: Convert to fraction form
    138,440,444.30/207,660,666.45 = 57,650,914.70/x
  3. Step 3: Cross multiply
    138,440,444.30x = 207,660,666.45 × 57,650,914.70
  4. Step 4: Simplify right side
    138,440,444.30x = 11,971,827,368,054,102
  5. Step 5: Solve for x
    x = 11,971,827,368,054,102/138,440,444.30
  6. Step 6: Final answer
    x = 86,476,372.05

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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.