Home / 113,154,766.42-170,488,276.20-102,237,645.15

Finding the Fourth Proportional to 113,154,766.42, 170,488,276.20 and 102,237,645.15

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Solution

The fourth proportional to 113,154,766.42, 170,488,276.20 and 102,237,645.15 is: 154,039,643.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,154,766.42 : 170,488,276.20 = 102,237,645.15 : x
  2. Step 2: Convert to fraction form
    113,154,766.42/170,488,276.20 = 102,237,645.15/x
  3. Step 3: Cross multiply
    113,154,766.42x = 170,488,276.20 × 102,237,645.15
  4. Step 4: Simplify right side
    113,154,766.42x = 17,430,319,884,370,790
  5. Step 5: Solve for x
    x = 17,430,319,884,370,790/113,154,766.42
  6. Step 6: Final answer
    x = 154,039,643.54

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.