Home / 137,918,594-206,878,927.80-61,221,002.96

Finding the Fourth Proportional to 137,918,594, 206,878,927.80 and 61,221,002.96

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Solution

The fourth proportional to 137,918,594, 206,878,927.80 and 61,221,002.96 is: 91,831,964.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,918,594 : 206,878,927.80 = 61,221,002.96 : x
  2. Step 2: Convert to fraction form
    137,918,594/206,878,927.80 = 61,221,002.96/x
  3. Step 3: Cross multiply
    137,918,594x = 206,878,927.80 × 61,221,002.96
  4. Step 4: Simplify right side
    137,918,594x = 12,665,335,451,205,428
  5. Step 5: Solve for x
    x = 12,665,335,451,205,428/137,918,594
  6. Step 6: Final answer
    x = 91,831,964.67

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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.