Home / 242,488,975.32-334,634,920.38-130,979,815.70

Finding the Fourth Proportional to 242,488,975.32, 334,634,920.38 and 130,979,815.70

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Solution

The fourth proportional to 242,488,975.32, 334,634,920.38 and 130,979,815.70 is: 180,752,218.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,488,975.32 : 334,634,920.38 = 130,979,815.70 : x
  2. Step 2: Convert to fraction form
    242,488,975.32/334,634,920.38 = 130,979,815.70/x
  3. Step 3: Cross multiply
    242,488,975.32x = 334,634,920.38 × 130,979,815.70
  4. Step 4: Simplify right side
    242,488,975.32x = 43,830,420,196,483,400
  5. Step 5: Solve for x
    x = 43,830,420,196,483,400/242,488,975.32
  6. Step 6: Final answer
    x = 180,752,218.28

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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.