Home / 137,823,885.20-206,735,827.80-61,154,663.60

Finding the Fourth Proportional to 137,823,885.20, 206,735,827.80 and 61,154,663.60

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Solution

The fourth proportional to 137,823,885.20, 206,735,827.80 and 61,154,663.60 is: 91,731,995.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,823,885.20 : 206,735,827.80 = 61,154,663.60 : x
  2. Step 2: Convert to fraction form
    137,823,885.20/206,735,827.80 = 61,154,663.60/x
  3. Step 3: Cross multiply
    137,823,885.20x = 206,735,827.80 × 61,154,663.60
  4. Step 4: Simplify right side
    137,823,885.20x = 12,642,860,003,176,530
  5. Step 5: Solve for x
    x = 12,642,860,003,176,530/137,823,885.20
  6. Step 6: Final answer
    x = 91,731,995.40

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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.