Home / 242,489,024.88-334,634,988.32-130,979,865.12

Finding the Fourth Proportional to 242,489,024.88, 334,634,988.32 and 130,979,865.12

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Solution

The fourth proportional to 242,489,024.88, 334,634,988.32 and 130,979,865.12 is: 180,752,286.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,489,024.88 : 334,634,988.32 = 130,979,865.12 : x
  2. Step 2: Convert to fraction form
    242,489,024.88/334,634,988.32 = 130,979,865.12/x
  3. Step 3: Cross multiply
    242,489,024.88x = 334,634,988.32 × 130,979,865.12
  4. Step 4: Simplify right side
    242,489,024.88x = 43,830,445,634,586,376
  5. Step 5: Solve for x
    x = 43,830,445,634,586,376/242,489,024.88
  6. Step 6: Final answer
    x = 180,752,286.24

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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.