Home / 124,416,917.60-186,625,376.40-90,152,751.20

Finding the Fourth Proportional to 124,416,917.60, 186,625,376.40 and 90,152,751.20

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Solution

The fourth proportional to 124,416,917.60, 186,625,376.40 and 90,152,751.20 is: 135,229,126.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,416,917.60 : 186,625,376.40 = 90,152,751.20 : x
  2. Step 2: Convert to fraction form
    124,416,917.60/186,625,376.40 = 90,152,751.20/x
  3. Step 3: Cross multiply
    124,416,917.60x = 186,625,376.40 × 90,152,751.20
  4. Step 4: Simplify right side
    124,416,917.60x = 16,824,791,126,195,552
  5. Step 5: Solve for x
    x = 16,824,791,126,195,552/124,416,917.60
  6. Step 6: Final answer
    x = 135,229,126.80

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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.