Home / 51,428,778.93-70,951,512.47-29,390,455.55

Finding the Fourth Proportional to 51,428,778.93, 70,951,512.47 and 29,390,455.55

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Solution

The fourth proportional to 51,428,778.93, 70,951,512.47 and 29,390,455.55 is: 40,547,283.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,428,778.93 : 70,951,512.47 = 29,390,455.55 : x
  2. Step 2: Convert to fraction form
    51,428,778.93/70,951,512.47 = 29,390,455.55/x
  3. Step 3: Cross multiply
    51,428,778.93x = 70,951,512.47 × 29,390,455.55
  4. Step 4: Simplify right side
    51,428,778.93x = 2,085,297,273,485,232.25
  5. Step 5: Solve for x
    x = 2,085,297,273,485,232.25/51,428,778.93
  6. Step 6: Final answer
    x = 40,547,283.39

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1.5x scale

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.