Home / 51,678,000.20-77,517,000.30-42,112,062.20

Finding the Fourth Proportional to 51,678,000.20, 77,517,000.30 and 42,112,062.20

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Solution

The fourth proportional to 51,678,000.20, 77,517,000.30 and 42,112,062.20 is: 63,168,093.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,678,000.20 : 77,517,000.30 = 42,112,062.20 : x
  2. Step 2: Convert to fraction form
    51,678,000.20/77,517,000.30 = 42,112,062.20/x
  3. Step 3: Cross multiply
    51,678,000.20x = 77,517,000.30 × 42,112,062.20
  4. Step 4: Simplify right side
    51,678,000.20x = 3,264,400,738,191,019
  5. Step 5: Solve for x
    x = 3,264,400,738,191,019/51,678,000.20
  6. Step 6: Final answer
    x = 63,168,093.30

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Similar ratio
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1.5x scale

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.