Home / 108,423,115.59-149,479,387.45-86,170,407.67

Finding the Fourth Proportional to 108,423,115.59, 149,479,387.45 and 86,170,407.67

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Solution

The fourth proportional to 108,423,115.59, 149,479,387.45 and 86,170,407.67 is: 118,800,310.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,423,115.59 : 149,479,387.45 = 86,170,407.67 : x
  2. Step 2: Convert to fraction form
    108,423,115.59/149,479,387.45 = 86,170,407.67/x
  3. Step 3: Cross multiply
    108,423,115.59x = 149,479,387.45 × 86,170,407.67
  4. Step 4: Simplify right side
    108,423,115.59x = 12,880,699,754,771,228
  5. Step 5: Solve for x
    x = 12,880,699,754,771,228/108,423,115.59
  6. Step 6: Final answer
    x = 118,800,310.11

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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.