Home / 75,211,977.85-103,754,330.62-49,121,767.69

Finding the Fourth Proportional to 75,211,977.85, 103,754,330.62 and 49,121,767.69

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Solution

The fourth proportional to 75,211,977.85, 103,754,330.62 and 49,121,767.69 is: 67,763,091.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,211,977.85 : 103,754,330.62 = 49,121,767.69 : x
  2. Step 2: Convert to fraction form
    75,211,977.85/103,754,330.62 = 49,121,767.69/x
  3. Step 3: Cross multiply
    75,211,977.85x = 103,754,330.62 × 49,121,767.69
  4. Step 4: Simplify right side
    75,211,977.85x = 5,096,596,125,164,904
  5. Step 5: Solve for x
    x = 5,096,596,125,164,904/75,211,977.85
  6. Step 6: Final answer
    x = 67,763,091.35

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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.