Home / 115,900,828.10-173,851,242.15-69,984,325.70

Finding the Fourth Proportional to 115,900,828.10, 173,851,242.15 and 69,984,325.70

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Solution

The fourth proportional to 115,900,828.10, 173,851,242.15 and 69,984,325.70 is: 104,976,488.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,900,828.10 : 173,851,242.15 = 69,984,325.70 : x
  2. Step 2: Convert to fraction form
    115,900,828.10/173,851,242.15 = 69,984,325.70/x
  3. Step 3: Cross multiply
    115,900,828.10x = 173,851,242.15 × 69,984,325.70
  4. Step 4: Simplify right side
    115,900,828.10x = 12,166,861,953,975,170
  5. Step 5: Solve for x
    x = 12,166,861,953,975,170/115,900,828.10
  6. Step 6: Final answer
    x = 104,976,488.55

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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.