Home / 154,952,011.80-213,857,023.77-117,721,026.81

Finding the Fourth Proportional to 154,952,011.80, 213,857,023.77 and 117,721,026.81

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Solution

The fourth proportional to 154,952,011.80, 213,857,023.77 and 117,721,026.81 is: 162,472,678.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,952,011.80 : 213,857,023.77 = 117,721,026.81 : x
  2. Step 2: Convert to fraction form
    154,952,011.80/213,857,023.77 = 117,721,026.81/x
  3. Step 3: Cross multiply
    154,952,011.80x = 213,857,023.77 × 117,721,026.81
  4. Step 4: Simplify right side
    154,952,011.80x = 25,175,468,428,734,980
  5. Step 5: Solve for x
    x = 25,175,468,428,734,980/154,952,011.80
  6. Step 6: Final answer
    x = 162,472,678.71

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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.