Home / 42,912,281.60-64,368,422.40-26,756,475.20

Finding the Fourth Proportional to 42,912,281.60, 64,368,422.40 and 26,756,475.20

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Solution

The fourth proportional to 42,912,281.60, 64,368,422.40 and 26,756,475.20 is: 40,134,712.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,912,281.60 : 64,368,422.40 = 26,756,475.20 : x
  2. Step 2: Convert to fraction form
    42,912,281.60/64,368,422.40 = 26,756,475.20/x
  3. Step 3: Cross multiply
    42,912,281.60x = 64,368,422.40 × 26,756,475.20
  4. Step 4: Simplify right side
    42,912,281.60x = 1,722,272,097,608,724.50
  5. Step 5: Solve for x
    x = 1,722,272,097,608,724.50/42,912,281.60
  6. Step 6: Final answer
    x = 40,134,712.80

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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.