Home / 90,219,065.04-124,503,504.14-48,966,451.92

Finding the Fourth Proportional to 90,219,065.04, 124,503,504.14 and 48,966,451.92

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Solution

The fourth proportional to 90,219,065.04, 124,503,504.14 and 48,966,451.92 is: 67,574,351.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,219,065.04 : 124,503,504.14 = 48,966,451.92 : x
  2. Step 2: Convert to fraction form
    90,219,065.04/124,503,504.14 = 48,966,451.92/x
  3. Step 3: Cross multiply
    90,219,065.04x = 124,503,504.14 × 48,966,451.92
  4. Step 4: Simplify right side
    90,219,065.04x = 6,096,494,849,342,831
  5. Step 5: Solve for x
    x = 6,096,494,849,342,831/90,219,065.04
  6. Step 6: Final answer
    x = 67,574,351.90

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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.