Home / 187,124,436.14-258,128,047.96-108,799,329.92

Finding the Fourth Proportional to 187,124,436.14, 258,128,047.96 and 108,799,329.92

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Solution

The fourth proportional to 187,124,436.14, 258,128,047.96 and 108,799,329.92 is: 150,082,796.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,124,436.14 : 258,128,047.96 = 108,799,329.92 : x
  2. Step 2: Convert to fraction form
    187,124,436.14/258,128,047.96 = 108,799,329.92/x
  3. Step 3: Cross multiply
    187,124,436.14x = 258,128,047.96 × 108,799,329.92
  4. Step 4: Simplify right side
    187,124,436.14x = 28,084,158,650,042,988
  5. Step 5: Solve for x
    x = 28,084,158,650,042,988/187,124,436.14
  6. Step 6: Final answer
    x = 150,082,796.40

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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.