Home / 120,857,502.51-181,268,040.18-77,441,653.47

Finding the Fourth Proportional to 120,857,502.51, 181,268,040.18 and 77,441,653.47

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Solution

The fourth proportional to 120,857,502.51, 181,268,040.18 and 77,441,653.47 is: 116,150,809.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,857,502.51 : 181,268,040.18 = 77,441,653.47 : x
  2. Step 2: Convert to fraction form
    120,857,502.51/181,268,040.18 = 77,441,653.47/x
  3. Step 3: Cross multiply
    120,857,502.51x = 181,268,040.18 × 77,441,653.47
  4. Step 4: Simplify right side
    120,857,502.51x = 14,037,696,752,805,596
  5. Step 5: Solve for x
    x = 14,037,696,752,805,596/120,857,502.51
  6. Step 6: Final answer
    x = 116,150,809.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.