Home / 242,488,942.36-334,634,874.71-130,979,782.66

Finding the Fourth Proportional to 242,488,942.36, 334,634,874.71 and 130,979,782.66

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Solution

The fourth proportional to 242,488,942.36, 334,634,874.71 and 130,979,782.66 is: 180,752,172.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,488,942.36 : 334,634,874.71 = 130,979,782.66 : x
  2. Step 2: Convert to fraction form
    242,488,942.36/334,634,874.71 = 130,979,782.66/x
  3. Step 3: Cross multiply
    242,488,942.36x = 334,634,874.71 × 130,979,782.66
  4. Step 4: Simplify right side
    242,488,942.36x = 43,830,403,159,972,128
  5. Step 5: Solve for x
    x = 43,830,403,159,972,128/242,488,942.36
  6. Step 6: Final answer
    x = 180,752,172.59

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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.