Home / 68,367,089.90-102,550,634.85-65,978,302.70

Finding the Fourth Proportional to 68,367,089.90, 102,550,634.85 and 65,978,302.70

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Solution

The fourth proportional to 68,367,089.90, 102,550,634.85 and 65,978,302.70 is: 98,967,454.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,367,089.90 : 102,550,634.85 = 65,978,302.70 : x
  2. Step 2: Convert to fraction form
    68,367,089.90/102,550,634.85 = 65,978,302.70/x
  3. Step 3: Cross multiply
    68,367,089.90x = 102,550,634.85 × 65,978,302.70
  4. Step 4: Simplify right side
    68,367,089.90x = 6,766,116,828,210,469
  5. Step 5: Solve for x
    x = 6,766,116,828,210,469/68,367,089.90
  6. Step 6: Final answer
    x = 98,967,454.05

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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.