Home / 207,361,480.40-310,892,921.40-116,512,917.20

Finding the Fourth Proportional to 207,361,480.40, 310,892,921.40 and 116,512,917.20

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Solution

The fourth proportional to 207,361,480.40, 310,892,921.40 and 116,512,917.20 is: 174,685,487.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,361,480.40 : 310,892,921.40 = 116,512,917.20 : x
  2. Step 2: Convert to fraction form
    207,361,480.40/310,892,921.40 = 116,512,917.20/x
  3. Step 3: Cross multiply
    207,361,480.40x = 310,892,921.40 × 116,512,917.20
  4. Step 4: Simplify right side
    207,361,480.40x = 36,223,041,209,144,304
  5. Step 5: Solve for x
    x = 36,223,041,209,144,304/207,361,480.40
  6. Step 6: Final answer
    x = 174,685,487.10

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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.