Home / 78,396,294.24-108,186,319.44-43,588,715.04

Finding the Fourth Proportional to 78,396,294.24, 108,186,319.44 and 43,588,715.04

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Solution

The fourth proportional to 78,396,294.24, 108,186,319.44 and 43,588,715.04 is: 60,152,111.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,396,294.24 : 108,186,319.44 = 43,588,715.04 : x
  2. Step 2: Convert to fraction form
    78,396,294.24/108,186,319.44 = 43,588,715.04/x
  3. Step 3: Cross multiply
    78,396,294.24x = 108,186,319.44 × 43,588,715.04
  4. Step 4: Simplify right side
    78,396,294.24x = 4,715,702,649,296,572
  5. Step 5: Solve for x
    x = 4,715,702,649,296,572/78,396,294.24
  6. Step 6: Final answer
    x = 60,152,111.72

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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.