Home / 86,230,495.05-129,345,748.22-68,877,449.16

Finding the Fourth Proportional to 86,230,495.05, 129,345,748.22 and 68,877,449.16

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Solution

The fourth proportional to 86,230,495.05, 129,345,748.22 and 68,877,449.16 is: 103,316,178.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,230,495.05 : 129,345,748.22 = 68,877,449.16 : x
  2. Step 2: Convert to fraction form
    86,230,495.05/129,345,748.22 = 68,877,449.16/x
  3. Step 3: Cross multiply
    86,230,495.05x = 129,345,748.22 × 68,877,449.16
  4. Step 4: Simplify right side
    86,230,495.05x = 8,909,005,197,382,229
  5. Step 5: Solve for x
    x = 8,909,005,197,382,229/86,230,495.05
  6. Step 6: Final answer
    x = 103,316,178.25

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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.