Home / 292,111,397.88-403,113,815.87-158,149,287.47

Finding the Fourth Proportional to 292,111,397.88, 403,113,815.87 and 158,149,287.47

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Solution

The fourth proportional to 292,111,397.88, 403,113,815.87 and 158,149,287.47 is: 218,246,063.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,111,397.88 : 403,113,815.87 = 158,149,287.47 : x
  2. Step 2: Convert to fraction form
    292,111,397.88/403,113,815.87 = 158,149,287.47/x
  3. Step 3: Cross multiply
    292,111,397.88x = 403,113,815.87 × 158,149,287.47
  4. Step 4: Simplify right side
    292,111,397.88x = 63,752,162,746,346,968
  5. Step 5: Solve for x
    x = 63,752,162,746,346,968/292,111,397.88
  6. Step 6: Final answer
    x = 218,246,063.69

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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.