Home / 138,962,633.68-208,445,724.54-36,725,788

Finding the Fourth Proportional to 138,962,633.68, 208,445,724.54 and 36,725,788

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Solution

The fourth proportional to 138,962,633.68, 208,445,724.54 and 36,725,788 is: 55,089,150.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,962,633.68 : 208,445,724.54 = 36,725,788 : x
  2. Step 2: Convert to fraction form
    138,962,633.68/208,445,724.54 = 36,725,788/x
  3. Step 3: Cross multiply
    138,962,633.68x = 208,445,724.54 × 36,725,788
  4. Step 4: Simplify right side
    138,962,633.68x = 7,655,333,488,962,437
  5. Step 5: Solve for x
    x = 7,655,333,488,962,437/138,962,633.68
  6. Step 6: Final answer
    x = 55,089,150.85

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.