Home / 68,976,985.35-103,297,402.88-45,619,498.32

Finding the Fourth Proportional to 68,976,985.35, 103,297,402.88 and 45,619,498.32

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Solution

The fourth proportional to 68,976,985.35, 103,297,402.88 and 45,619,498.32 is: 68,318,087.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,976,985.35 : 103,297,402.88 = 45,619,498.32 : x
  2. Step 2: Convert to fraction form
    68,976,985.35/103,297,402.88 = 45,619,498.32/x
  3. Step 3: Cross multiply
    68,976,985.35x = 103,297,402.88 × 45,619,498.32
  4. Step 4: Simplify right side
    68,976,985.35x = 4,712,375,696,700,133
  5. Step 5: Solve for x
    x = 4,712,375,696,700,133/68,976,985.35
  6. Step 6: Final answer
    x = 68,318,087.15

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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.