Home / 42,608,634.40-63,912,951.60-40,908,023.20

Finding the Fourth Proportional to 42,608,634.40, 63,912,951.60 and 40,908,023.20

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Solution

The fourth proportional to 42,608,634.40, 63,912,951.60 and 40,908,023.20 is: 61,362,034.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,608,634.40 : 63,912,951.60 = 40,908,023.20 : x
  2. Step 2: Convert to fraction form
    42,608,634.40/63,912,951.60 = 40,908,023.20/x
  3. Step 3: Cross multiply
    42,608,634.40x = 63,912,951.60 × 40,908,023.20
  4. Step 4: Simplify right side
    42,608,634.40x = 2,614,552,506,833,277.50
  5. Step 5: Solve for x
    x = 2,614,552,506,833,277.50/42,608,634.40
  6. Step 6: Final answer
    x = 61,362,034.80

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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.