Home / 55,648,124.80-83,513,659.20-28,707,913.60

Finding the Fourth Proportional to 55,648,124.80, 83,513,659.20 and 28,707,913.60

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Solution

The fourth proportional to 55,648,124.80, 83,513,659.20 and 28,707,913.60 is: 43,083,265.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,648,124.80 : 83,513,659.20 = 28,707,913.60 : x
  2. Step 2: Convert to fraction form
    55,648,124.80/83,513,659.20 = 28,707,913.60/x
  3. Step 3: Cross multiply
    55,648,124.80x = 83,513,659.20 × 28,707,913.60
  4. Step 4: Simplify right side
    55,648,124.80x = 2,397,502,912,733,445.50
  5. Step 5: Solve for x
    x = 2,397,502,912,733,445.50/55,648,124.80
  6. Step 6: Final answer
    x = 43,083,265.09

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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.