Home / 55,513,622.92-76,608,818.16-30,397,320.76

Finding the Fourth Proportional to 55,513,622.92, 76,608,818.16 and 30,397,320.76

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Solution

The fourth proportional to 55,513,622.92, 76,608,818.16 and 30,397,320.76 is: 41,948,312.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,513,622.92 : 76,608,818.16 = 30,397,320.76 : x
  2. Step 2: Convert to fraction form
    55,513,622.92/76,608,818.16 = 30,397,320.76/x
  3. Step 3: Cross multiply
    55,513,622.92x = 76,608,818.16 × 30,397,320.76
  4. Step 4: Simplify right side
    55,513,622.92x = 2,328,702,818,654,033
  5. Step 5: Solve for x
    x = 2,328,702,818,654,033/55,513,622.92
  6. Step 6: Final answer
    x = 41,948,312.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.