Home / 154,382,932.80-213,055,395.12-92,501,941.68

Finding the Fourth Proportional to 154,382,932.80, 213,055,395.12 and 92,501,941.68

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Solution

The fourth proportional to 154,382,932.80, 213,055,395.12 and 92,501,941.68 is: 127,656,842.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,382,932.80 : 213,055,395.12 = 92,501,941.68 : x
  2. Step 2: Convert to fraction form
    154,382,932.80/213,055,395.12 = 92,501,941.68/x
  3. Step 3: Cross multiply
    154,382,932.80x = 213,055,395.12 × 92,501,941.68
  4. Step 4: Simplify right side
    154,382,932.80x = 19,708,037,733,999,600
  5. Step 5: Solve for x
    x = 19,708,037,733,999,600/154,382,932.80
  6. Step 6: Final answer
    x = 127,656,842.48

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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.