Home / 186,970,812.18-258,033,079.27-103,337,142.39

Finding the Fourth Proportional to 186,970,812.18, 258,033,079.27 and 103,337,142.39

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Solution

The fourth proportional to 186,970,812.18, 258,033,079.27 and 103,337,142.39 is: 142,612,639.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,970,812.18 : 258,033,079.27 = 103,337,142.39 : x
  2. Step 2: Convert to fraction form
    186,970,812.18/258,033,079.27 = 103,337,142.39/x
  3. Step 3: Cross multiply
    186,970,812.18x = 258,033,079.27 × 103,337,142.39
  4. Step 4: Simplify right side
    186,970,812.18x = 26,664,401,053,983,320
  5. Step 5: Solve for x
    x = 26,664,401,053,983,320/186,970,812.18
  6. Step 6: Final answer
    x = 142,612,639.60

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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.