Home / 242,488,987.34-334,634,936.51-130,979,827.51

Finding the Fourth Proportional to 242,488,987.34, 334,634,936.51 and 130,979,827.51

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Solution

The fourth proportional to 242,488,987.34, 334,634,936.51 and 130,979,827.51 is: 180,752,234.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,488,987.34 : 334,634,936.51 = 130,979,827.51 : x
  2. Step 2: Convert to fraction form
    242,488,987.34/334,634,936.51 = 130,979,827.51/x
  3. Step 3: Cross multiply
    242,488,987.34x = 334,634,936.51 × 130,979,827.51
  4. Step 4: Simplify right side
    242,488,987.34x = 43,830,426,260,571,528
  5. Step 5: Solve for x
    x = 43,830,426,260,571,528/242,488,987.34
  6. Step 6: Final answer
    x = 180,752,234.32

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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.