Home / 80,585,217.45-120,833,502.98-55,055,054.25

Finding the Fourth Proportional to 80,585,217.45, 120,833,502.98 and 55,055,054.25

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Solution

The fourth proportional to 80,585,217.45, 120,833,502.98 and 55,055,054.25 is: 82,552,300.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,585,217.45 : 120,833,502.98 = 55,055,054.25 : x
  2. Step 2: Convert to fraction form
    80,585,217.45/120,833,502.98 = 55,055,054.25/x
  3. Step 3: Cross multiply
    80,585,217.45x = 120,833,502.98 × 55,055,054.25
  4. Step 4: Simplify right side
    80,585,217.45x = 6,652,495,061,506,161
  5. Step 5: Solve for x
    x = 6,652,495,061,506,161/80,585,217.45
  6. Step 6: Final answer
    x = 82,552,300.19

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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.