Home / 113,261,421.26-156,312,754.08-69,234,191.48

Finding the Fourth Proportional to 113,261,421.26, 156,312,754.08 and 69,234,191.48

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Solution

The fourth proportional to 113,261,421.26, 156,312,754.08 and 69,234,191.48 is: 95,550,515.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,261,421.26 : 156,312,754.08 = 69,234,191.48 : x
  2. Step 2: Convert to fraction form
    113,261,421.26/156,312,754.08 = 69,234,191.48/x
  3. Step 3: Cross multiply
    113,261,421.26x = 156,312,754.08 × 69,234,191.48
  4. Step 4: Simplify right side
    113,261,421.26x = 10,822,187,146,740,872
  5. Step 5: Solve for x
    x = 10,822,187,146,740,872/113,261,421.26
  6. Step 6: Final answer
    x = 95,550,515.14

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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.