Home / 291,767,034.60-402,637,304.01-157,805,100.36

Finding the Fourth Proportional to 291,767,034.60, 402,637,304.01 and 157,805,100.36

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Solution

The fourth proportional to 291,767,034.60, 402,637,304.01 and 157,805,100.36 is: 217,770,387.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,767,034.60 : 402,637,304.01 = 157,805,100.36 : x
  2. Step 2: Convert to fraction form
    291,767,034.60/402,637,304.01 = 157,805,100.36/x
  3. Step 3: Cross multiply
    291,767,034.60x = 402,637,304.01 × 157,805,100.36
  4. Step 4: Simplify right side
    291,767,034.60x = 63,538,220,169,192,680
  5. Step 5: Solve for x
    x = 63,538,220,169,192,680/291,767,034.60
  6. Step 6: Final answer
    x = 217,770,387.44

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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.