Home / 288,025,614.32-431,863,466.33-112,938,891.89

Finding the Fourth Proportional to 288,025,614.32, 431,863,466.33 and 112,938,891.89

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Solution

The fourth proportional to 288,025,614.32, 431,863,466.33 and 112,938,891.89 is: 169,339,735.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,025,614.32 : 431,863,466.33 = 112,938,891.89 : x
  2. Step 2: Convert to fraction form
    288,025,614.32/431,863,466.33 = 112,938,891.89/x
  3. Step 3: Cross multiply
    288,025,614.32x = 431,863,466.33 × 112,938,891.89
  4. Step 4: Simplify right side
    288,025,614.32x = 48,774,181,335,084,520
  5. Step 5: Solve for x
    x = 48,774,181,335,084,520/288,025,614.32
  6. Step 6: Final answer
    x = 169,339,735.46

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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.