Home / 137,988,140.20-206,982,210.30-40,958,823.40

Finding the Fourth Proportional to 137,988,140.20, 206,982,210.30 and 40,958,823.40

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Solution

The fourth proportional to 137,988,140.20, 206,982,210.30 and 40,958,823.40 is: 61,438,235.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,988,140.20 : 206,982,210.30 = 40,958,823.40 : x
  2. Step 2: Convert to fraction form
    137,988,140.20/206,982,210.30 = 40,958,823.40/x
  3. Step 3: Cross multiply
    137,988,140.20x = 206,982,210.30 × 40,958,823.40
  4. Step 4: Simplify right side
    137,988,140.20x = 8,477,747,798,619,361
  5. Step 5: Solve for x
    x = 8,477,747,798,619,361/137,988,140.20
  6. Step 6: Final answer
    x = 61,438,235.10

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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.