Home / 288,275,304.06-397,817,938.71-156,113,276.22

Finding the Fourth Proportional to 288,275,304.06, 397,817,938.71 and 156,113,276.22

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Solution

The fourth proportional to 288,275,304.06, 397,817,938.71 and 156,113,276.22 is: 215,435,248.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,275,304.06 : 397,817,938.71 = 156,113,276.22 : x
  2. Step 2: Convert to fraction form
    288,275,304.06/397,817,938.71 = 156,113,276.22/x
  3. Step 3: Cross multiply
    288,275,304.06x = 397,817,938.71 × 156,113,276.22
  4. Step 4: Simplify right side
    288,275,304.06x = 62,104,661,751,105,256
  5. Step 5: Solve for x
    x = 62,104,661,751,105,256/288,275,304.06
  6. Step 6: Final answer
    x = 215,435,248.45

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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.