Home / 57,454,886.74-86,175,963.87-20,565,303.38

Finding the Fourth Proportional to 57,454,886.74, 86,175,963.87 and 20,565,303.38

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Solution

The fourth proportional to 57,454,886.74, 86,175,963.87 and 20,565,303.38 is: 30,845,676.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,454,886.74 : 86,175,963.87 = 20,565,303.38 : x
  2. Step 2: Convert to fraction form
    57,454,886.74/86,175,963.87 = 20,565,303.38/x
  3. Step 3: Cross multiply
    57,454,886.74x = 86,175,963.87 × 20,565,303.38
  4. Step 4: Simplify right side
    57,454,886.74x = 1,772,234,841,050,469
  5. Step 5: Solve for x
    x = 1,772,234,841,050,469/57,454,886.74
  6. Step 6: Final answer
    x = 30,845,676.35

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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.