Home / 60,894,139.60-91,336,615.74-19,393,338.68

Finding the Fourth Proportional to 60,894,139.60, 91,336,615.74 and 19,393,338.68

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Solution

The fourth proportional to 60,894,139.60, 91,336,615.74 and 19,393,338.68 is: 29,088,545.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,894,139.60 : 91,336,615.74 = 19,393,338.68 : x
  2. Step 2: Convert to fraction form
    60,894,139.60/91,336,615.74 = 19,393,338.68/x
  3. Step 3: Cross multiply
    60,894,139.60x = 91,336,615.74 × 19,393,338.68
  4. Step 4: Simplify right side
    60,894,139.60x = 1,771,321,922,930,838.75
  5. Step 5: Solve for x
    x = 1,771,321,922,930,838.75/60,894,139.60
  6. Step 6: Final answer
    x = 29,088,545.05

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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.