Home / 207,058,465.60-310,587,698.40-130,719,918.40

Finding the Fourth Proportional to 207,058,465.60, 310,587,698.40 and 130,719,918.40

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Solution

The fourth proportional to 207,058,465.60, 310,587,698.40 and 130,719,918.40 is: 196,079,877.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,058,465.60 : 310,587,698.40 = 130,719,918.40 : x
  2. Step 2: Convert to fraction form
    207,058,465.60/310,587,698.40 = 130,719,918.40/x
  3. Step 3: Cross multiply
    207,058,465.60x = 310,587,698.40 × 130,719,918.40
  4. Step 4: Simplify right side
    207,058,465.60x = 40,599,998,590,891,808
  5. Step 5: Solve for x
    x = 40,599,998,590,891,808/207,058,465.60
  6. Step 6: Final answer
    x = 196,079,877.60

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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.