Home / 81,041,954.24-111,837,931.40-43,872,233.48

Finding the Fourth Proportional to 81,041,954.24, 111,837,931.40 and 43,872,233.48

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Solution

The fourth proportional to 81,041,954.24, 111,837,931.40 and 43,872,233.48 is: 60,543,700.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,041,954.24 : 111,837,931.40 = 43,872,233.48 : x
  2. Step 2: Convert to fraction form
    81,041,954.24/111,837,931.40 = 43,872,233.48/x
  3. Step 3: Cross multiply
    81,041,954.24x = 111,837,931.40 × 43,872,233.48
  4. Step 4: Simplify right side
    81,041,954.24x = 4,906,579,838,301,023
  5. Step 5: Solve for x
    x = 4,906,579,838,301,023/81,041,954.24
  6. Step 6: Final answer
    x = 60,543,700.91

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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.