Home / 210,616,612.80-315,924,919.20-141,741,859.20

Finding the Fourth Proportional to 210,616,612.80, 315,924,919.20 and 141,741,859.20

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Solution

The fourth proportional to 210,616,612.80, 315,924,919.20 and 141,741,859.20 is: 212,612,788.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,616,612.80 : 315,924,919.20 = 141,741,859.20 : x
  2. Step 2: Convert to fraction form
    210,616,612.80/315,924,919.20 = 141,741,859.20/x
  3. Step 3: Cross multiply
    210,616,612.80x = 315,924,919.20 × 141,741,859.20
  4. Step 4: Simplify right side
    210,616,612.80x = 44,779,785,415,017,768
  5. Step 5: Solve for x
    x = 44,779,785,415,017,768/210,616,612.80
  6. Step 6: Final answer
    x = 212,612,788.80

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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.