Home / 91,454,480.60-126,205,599.42-49,637,648.61

Finding the Fourth Proportional to 91,454,480.60, 126,205,599.42 and 49,637,648.61

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Solution

The fourth proportional to 91,454,480.60, 126,205,599.42 and 49,637,648.61 is: 68,499,095.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,454,480.60 : 126,205,599.42 = 49,637,648.61 : x
  2. Step 2: Convert to fraction form
    91,454,480.60/126,205,599.42 = 49,637,648.61/x
  3. Step 3: Cross multiply
    91,454,480.60x = 126,205,599.42 × 49,637,648.61
  4. Step 4: Simplify right side
    91,454,480.60x = 6,264,549,196,624,380
  5. Step 5: Solve for x
    x = 6,264,549,196,624,380/91,454,480.60
  6. Step 6: Final answer
    x = 68,499,095.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.