Home / 140,279,536.80-193,580,041.46-77,551,642.35

Finding the Fourth Proportional to 140,279,536.80, 193,580,041.46 and 77,551,642.35

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Solution

The fourth proportional to 140,279,536.80, 193,580,041.46 and 77,551,642.35 is: 107,018,104.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,279,536.80 : 193,580,041.46 = 77,551,642.35 : x
  2. Step 2: Convert to fraction form
    140,279,536.80/193,580,041.46 = 77,551,642.35/x
  3. Step 3: Cross multiply
    140,279,536.80x = 193,580,041.46 × 77,551,642.35
  4. Step 4: Simplify right side
    140,279,536.80x = 15,012,450,141,016,334
  5. Step 5: Solve for x
    x = 15,012,450,141,016,334/140,279,536.80
  6. Step 6: Final answer
    x = 107,018,104.59

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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.