Home / 288,275,292.42-397,817,922.62-156,113,264.55

Finding the Fourth Proportional to 288,275,292.42, 397,817,922.62 and 156,113,264.55

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Solution

The fourth proportional to 288,275,292.42, 397,817,922.62 and 156,113,264.55 is: 215,435,232.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,275,292.42 : 397,817,922.62 = 156,113,264.55 : x
  2. Step 2: Convert to fraction form
    288,275,292.42/397,817,922.62 = 156,113,264.55/x
  3. Step 3: Cross multiply
    288,275,292.42x = 397,817,922.62 × 156,113,264.55
  4. Step 4: Simplify right side
    288,275,292.42x = 62,104,654,596,707,496
  5. Step 5: Solve for x
    x = 62,104,654,596,707,496/288,275,292.42
  6. Step 6: Final answer
    x = 215,435,232.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.