Home / 105,165,776.32-157,748,452.46-98,766,120.42

Finding the Fourth Proportional to 105,165,776.32, 157,748,452.46 and 98,766,120.42

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Solution

The fourth proportional to 105,165,776.32, 157,748,452.46 and 98,766,120.42 is: 148,148,981.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,165,776.32 : 157,748,452.46 = 98,766,120.42 : x
  2. Step 2: Convert to fraction form
    105,165,776.32/157,748,452.46 = 98,766,120.42/x
  3. Step 3: Cross multiply
    105,165,776.32x = 157,748,452.46 × 98,766,120.42
  4. Step 4: Simplify right side
    105,165,776.32x = 15,580,202,651,609,548
  5. Step 5: Solve for x
    x = 15,580,202,651,609,548/105,165,776.32
  6. Step 6: Final answer
    x = 148,148,981.51

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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.