Home / 89,542,148.80-134,313,223.20-28,963,998.40

Finding the Fourth Proportional to 89,542,148.80, 134,313,223.20 and 28,963,998.40

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Solution

The fourth proportional to 89,542,148.80, 134,313,223.20 and 28,963,998.40 is: 43,445,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,542,148.80 : 134,313,223.20 = 28,963,998.40 : x
  2. Step 2: Convert to fraction form
    89,542,148.80/134,313,223.20 = 28,963,998.40/x
  3. Step 3: Cross multiply
    89,542,148.80x = 134,313,223.20 × 28,963,998.40
  4. Step 4: Simplify right side
    89,542,148.80x = 3,890,247,981,863,642.50
  5. Step 5: Solve for x
    x = 3,890,247,981,863,642.50/89,542,148.80
  6. Step 6: Final answer
    x = 43,445,997.60

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1.5x scale

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.