Home / 165,840,089.60-228,932,718.56-107,131,386.72

Finding the Fourth Proportional to 165,840,089.60, 228,932,718.56 and 107,131,386.72

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Solution

The fourth proportional to 165,840,089.60, 228,932,718.56 and 107,131,386.72 is: 147,888,726.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,840,089.60 : 228,932,718.56 = 107,131,386.72 : x
  2. Step 2: Convert to fraction form
    165,840,089.60/228,932,718.56 = 107,131,386.72/x
  3. Step 3: Cross multiply
    165,840,089.60x = 228,932,718.56 × 107,131,386.72
  4. Step 4: Simplify right side
    165,840,089.60x = 24,525,879,604,912,280
  5. Step 5: Solve for x
    x = 24,525,879,604,912,280/165,840,089.60
  6. Step 6: Final answer
    x = 147,888,726.21

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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.