Home / 90,200,881.47-124,477,216.44-48,947,773.85

Finding the Fourth Proportional to 90,200,881.47, 124,477,216.44 and 48,947,773.85

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Solution

The fourth proportional to 90,200,881.47, 124,477,216.44 and 48,947,773.85 is: 67,547,927.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,200,881.47 : 124,477,216.44 = 48,947,773.85 : x
  2. Step 2: Convert to fraction form
    90,200,881.47/124,477,216.44 = 48,947,773.85/x
  3. Step 3: Cross multiply
    90,200,881.47x = 124,477,216.44 × 48,947,773.85
  4. Step 4: Simplify right side
    90,200,881.47x = 6,092,882,639,782,622
  5. Step 5: Solve for x
    x = 6,092,882,639,782,622/90,200,881.47
  6. Step 6: Final answer
    x = 67,547,927.92

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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.