Home / 242,488,976.82-334,634,922.45-130,979,817.20

Finding the Fourth Proportional to 242,488,976.82, 334,634,922.45 and 130,979,817.20

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Solution

The fourth proportional to 242,488,976.82, 334,634,922.45 and 130,979,817.20 is: 180,752,220.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,488,976.82 : 334,634,922.45 = 130,979,817.20 : x
  2. Step 2: Convert to fraction form
    242,488,976.82/334,634,922.45 = 130,979,817.20/x
  3. Step 3: Cross multiply
    242,488,976.82x = 334,634,922.45 × 130,979,817.20
  4. Step 4: Simplify right side
    242,488,976.82x = 43,830,420,969,564,000
  5. Step 5: Solve for x
    x = 43,830,420,969,564,000/242,488,976.82
  6. Step 6: Final answer
    x = 180,752,220.35

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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.