Home / 137,205,470.53-205,776,808.55-81,888,925.02

Finding the Fourth Proportional to 137,205,470.53, 205,776,808.55 and 81,888,925.02

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Solution

The fourth proportional to 137,205,470.53, 205,776,808.55 and 81,888,925.02 is: 122,814,648.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,205,470.53 : 205,776,808.55 = 81,888,925.02 : x
  2. Step 2: Convert to fraction form
    137,205,470.53/205,776,808.55 = 81,888,925.02/x
  3. Step 3: Cross multiply
    137,205,470.53x = 205,776,808.55 × 81,888,925.02
  4. Step 4: Simplify right side
    137,205,470.53x = 16,850,841,646,205,846
  5. Step 5: Solve for x
    x = 16,850,841,646,205,846/137,205,470.53
  6. Step 6: Final answer
    x = 122,814,648.58

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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.