Home / 42,983,009.78-64,420,425-23,286,376.27

Finding the Fourth Proportional to 42,983,009.78, 64,420,425 and 23,286,376.27

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Solution

The fourth proportional to 42,983,009.78, 64,420,425 and 23,286,376.27 is: 34,900,260.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,983,009.78 : 64,420,425 = 23,286,376.27 : x
  2. Step 2: Convert to fraction form
    42,983,009.78/64,420,425 = 23,286,376.27/x
  3. Step 3: Cross multiply
    42,983,009.78x = 64,420,425 × 23,286,376.27
  4. Step 4: Simplify right side
    42,983,009.78x = 1,500,118,255,862,263.50
  5. Step 5: Solve for x
    x = 1,500,118,255,862,263.50/42,983,009.78
  6. Step 6: Final answer
    x = 34,900,260.90

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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.