Home / 91,972,575,411.20-137,958,863,116.80-89,906,332,803.20

Finding the Fourth Proportional to 91,972,575,411.20, 137,958,863,116.80 and 89,906,332,803.20

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Solution

The fourth proportional to 91,972,575,411.20, 137,958,863,116.80 and 89,906,332,803.20 is: 134,859,499,204.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,972,575,411.20 : 137,958,863,116.80 = 89,906,332,803.20 : x
  2. Step 2: Convert to fraction form
    91,972,575,411.20/137,958,863,116.80 = 89,906,332,803.20/x
  3. Step 3: Cross multiply
    91,972,575,411.20x = 137,958,863,116.80 × 89,906,332,803.20
  4. Step 4: Simplify right side
    91,972,575,411.20x = 12,403,375,460,530,132,090,880
  5. Step 5: Solve for x
    x = 12,403,375,460,530,132,090,880/91,972,575,411.20
  6. Step 6: Final answer
    x = 134,859,499,204.80

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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.