Home / 137,918,592-206,878,924.80-61,221,000.96

Finding the Fourth Proportional to 137,918,592, 206,878,924.80 and 61,221,000.96

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Solution

The fourth proportional to 137,918,592, 206,878,924.80 and 61,221,000.96 is: 91,831,961.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,918,592 : 206,878,924.80 = 61,221,000.96 : x
  2. Step 2: Convert to fraction form
    137,918,592/206,878,924.80 = 61,221,000.96/x
  3. Step 3: Cross multiply
    137,918,592x = 206,878,924.80 × 61,221,000.96
  4. Step 4: Simplify right side
    137,918,592x = 12,665,334,853,784,568
  5. Step 5: Solve for x
    x = 12,665,334,853,784,568/137,918,592
  6. Step 6: Final answer
    x = 91,831,961.67

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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.