Home / 115,510,840.35-173,264,585.45-28,073,005.71

Finding the Fourth Proportional to 115,510,840.35, 173,264,585.45 and 28,073,005.71

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Solution

The fourth proportional to 115,510,840.35, 173,264,585.45 and 28,073,005.71 is: 42,109,101.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,510,840.35 : 173,264,585.45 = 28,073,005.71 : x
  2. Step 2: Convert to fraction form
    115,510,840.35/173,264,585.45 = 28,073,005.71/x
  3. Step 3: Cross multiply
    115,510,840.35x = 173,264,585.45 × 28,073,005.71
  4. Step 4: Simplify right side
    115,510,840.35x = 4,864,057,696,538,268
  5. Step 5: Solve for x
    x = 4,864,057,696,538,268/115,510,840.35
  6. Step 6: Final answer
    x = 42,109,101.46

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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.