Home / 138,962,632.68-208,445,723.04-36,725,787

Finding the Fourth Proportional to 138,962,632.68, 208,445,723.04 and 36,725,787

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Solution

The fourth proportional to 138,962,632.68, 208,445,723.04 and 36,725,787 is: 55,089,149.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,962,632.68 : 208,445,723.04 = 36,725,787 : x
  2. Step 2: Convert to fraction form
    138,962,632.68/208,445,723.04 = 36,725,787/x
  3. Step 3: Cross multiply
    138,962,632.68x = 208,445,723.04 × 36,725,787
  4. Step 4: Simplify right side
    138,962,632.68x = 7,655,333,225,428,032
  5. Step 5: Solve for x
    x = 7,655,333,225,428,032/138,962,632.68
  6. Step 6: Final answer
    x = 55,089,149.35

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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.