Home / 105,141,630.80-157,712,446.20-74,530,629.20

Finding the Fourth Proportional to 105,141,630.80, 157,712,446.20 and 74,530,629.20

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Solution

The fourth proportional to 105,141,630.80, 157,712,446.20 and 74,530,629.20 is: 111,795,943.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,141,630.80 : 157,712,446.20 = 74,530,629.20 : x
  2. Step 2: Convert to fraction form
    105,141,630.80/157,712,446.20 = 74,530,629.20/x
  3. Step 3: Cross multiply
    105,141,630.80x = 157,712,446.20 × 74,530,629.20
  4. Step 4: Simplify right side
    105,141,630.80x = 11,754,407,847,957,148
  5. Step 5: Solve for x
    x = 11,754,407,847,957,148/105,141,630.80
  6. Step 6: Final answer
    x = 111,795,943.80

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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.