Home / 242,488,977.45-334,634,922.89-130,979,817.61

Finding the Fourth Proportional to 242,488,977.45, 334,634,922.89 and 130,979,817.61

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Solution

The fourth proportional to 242,488,977.45, 334,634,922.89 and 130,979,817.61 is: 180,752,220.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,488,977.45 : 334,634,922.89 = 130,979,817.61 : x
  2. Step 2: Convert to fraction form
    242,488,977.45/334,634,922.89 = 130,979,817.61/x
  3. Step 3: Cross multiply
    242,488,977.45x = 334,634,922.89 × 130,979,817.61
  4. Step 4: Simplify right side
    242,488,977.45x = 43,830,421,165,068,304
  5. Step 5: Solve for x
    x = 43,830,421,165,068,304/242,488,977.45
  6. Step 6: Final answer
    x = 180,752,220.69

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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.