Home / 343,888,940.80-515,833,411.20-88,587,308.80

Finding the Fourth Proportional to 343,888,940.80, 515,833,411.20 and 88,587,308.80

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Solution

The fourth proportional to 343,888,940.80, 515,833,411.20 and 88,587,308.80 is: 132,880,963.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,888,940.80 : 515,833,411.20 = 88,587,308.80 : x
  2. Step 2: Convert to fraction form
    343,888,940.80/515,833,411.20 = 88,587,308.80/x
  3. Step 3: Cross multiply
    343,888,940.80x = 515,833,411.20 × 88,587,308.80
  4. Step 4: Simplify right side
    343,888,940.80x = 45,696,293,687,331,776
  5. Step 5: Solve for x
    x = 45,696,293,687,331,776/343,888,940.80
  6. Step 6: Final answer
    x = 132,880,963.20

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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.