Home / 207,058,429.60-310,587,644.40-130,719,882.40

Finding the Fourth Proportional to 207,058,429.60, 310,587,644.40 and 130,719,882.40

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Solution

The fourth proportional to 207,058,429.60, 310,587,644.40 and 130,719,882.40 is: 196,079,823.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,058,429.60 : 310,587,644.40 = 130,719,882.40 : x
  2. Step 2: Convert to fraction form
    207,058,429.60/310,587,644.40 = 130,719,882.40/x
  3. Step 3: Cross multiply
    207,058,429.60x = 310,587,644.40 × 130,719,882.40
  4. Step 4: Simplify right side
    207,058,429.60x = 40,599,980,350,861,016
  5. Step 5: Solve for x
    x = 40,599,980,350,861,016/207,058,429.60
  6. Step 6: Final answer
    x = 196,079,823.60

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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.