Home / 121,402,803.70-182,104,205.55-108,648,219.70

Finding the Fourth Proportional to 121,402,803.70, 182,104,205.55 and 108,648,219.70

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Solution

The fourth proportional to 121,402,803.70, 182,104,205.55 and 108,648,219.70 is: 162,972,329.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,402,803.70 : 182,104,205.55 = 108,648,219.70 : x
  2. Step 2: Convert to fraction form
    121,402,803.70/182,104,205.55 = 108,648,219.70/x
  3. Step 3: Cross multiply
    121,402,803.70x = 182,104,205.55 × 108,648,219.70
  4. Step 4: Simplify right side
    121,402,803.70x = 19,785,297,732,890,360
  5. Step 5: Solve for x
    x = 19,785,297,732,890,360/121,402,803.70
  6. Step 6: Final answer
    x = 162,972,329.55

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Similar ratio
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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.