Home / 78,834,140.83-108,000,967.48-75,886,716.07

Finding the Fourth Proportional to 78,834,140.83, 108,000,967.48 and 75,886,716.07

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Solution

The fourth proportional to 78,834,140.83, 108,000,967.48 and 75,886,716.07 is: 103,963,063.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,834,140.83 : 108,000,967.48 = 75,886,716.07 : x
  2. Step 2: Convert to fraction form
    78,834,140.83/108,000,967.48 = 75,886,716.07/x
  3. Step 3: Cross multiply
    78,834,140.83x = 108,000,967.48 × 75,886,716.07
  4. Step 4: Simplify right side
    78,834,140.83x = 8,195,838,753,520,624
  5. Step 5: Solve for x
    x = 8,195,838,753,520,624/78,834,140.83
  6. Step 6: Final answer
    x = 103,963,063.06

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.