Home / 62,871,146.40-94,306,719.60-55,312,874.40

Finding the Fourth Proportional to 62,871,146.40, 94,306,719.60 and 55,312,874.40

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Solution

The fourth proportional to 62,871,146.40, 94,306,719.60 and 55,312,874.40 is: 82,969,311.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,871,146.40 : 94,306,719.60 = 55,312,874.40 : x
  2. Step 2: Convert to fraction form
    62,871,146.40/94,306,719.60 = 55,312,874.40/x
  3. Step 3: Cross multiply
    62,871,146.40x = 94,306,719.60 × 55,312,874.40
  4. Step 4: Simplify right side
    62,871,146.40x = 5,216,375,736,310,818
  5. Step 5: Solve for x
    x = 5,216,375,736,310,818/62,871,146.40
  6. Step 6: Final answer
    x = 82,969,311.60

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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.