Home / 145,728,107.40-218,592,161.10-38,022,731.40

Finding the Fourth Proportional to 145,728,107.40, 218,592,161.10 and 38,022,731.40

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Solution

The fourth proportional to 145,728,107.40, 218,592,161.10 and 38,022,731.40 is: 57,034,097.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,728,107.40 : 218,592,161.10 = 38,022,731.40 : x
  2. Step 2: Convert to fraction form
    145,728,107.40/218,592,161.10 = 38,022,731.40/x
  3. Step 3: Cross multiply
    145,728,107.40x = 218,592,161.10 × 38,022,731.40
  4. Step 4: Simplify right side
    145,728,107.40x = 8,311,471,027,650,828
  5. Step 5: Solve for x
    x = 8,311,471,027,650,828/145,728,107.40
  6. Step 6: Final answer
    x = 57,034,097.10

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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.