Home / 113,188,412.13-156,189,702.01-65,495,422.87

Finding the Fourth Proportional to 113,188,412.13, 156,189,702.01 and 65,495,422.87

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Solution

The fourth proportional to 113,188,412.13, 156,189,702.01 and 65,495,422.87 is: 90,377,719.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,188,412.13 : 156,189,702.01 = 65,495,422.87 : x
  2. Step 2: Convert to fraction form
    113,188,412.13/156,189,702.01 = 65,495,422.87/x
  3. Step 3: Cross multiply
    113,188,412.13x = 156,189,702.01 × 65,495,422.87
  4. Step 4: Simplify right side
    113,188,412.13x = 10,229,710,580,816,238
  5. Step 5: Solve for x
    x = 10,229,710,580,816,238/113,188,412.13
  6. Step 6: Final answer
    x = 90,377,719.67

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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.