Home / 78,897,440.23-108,878,615.03-44,090,130.71

Finding the Fourth Proportional to 78,897,440.23, 108,878,615.03 and 44,090,130.71

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Solution

The fourth proportional to 78,897,440.23, 108,878,615.03 and 44,090,130.71 is: 60,844,462.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,897,440.23 : 108,878,615.03 = 44,090,130.71 : x
  2. Step 2: Convert to fraction form
    78,897,440.23/108,878,615.03 = 44,090,130.71/x
  3. Step 3: Cross multiply
    78,897,440.23x = 108,878,615.03 × 44,090,130.71
  4. Step 4: Simplify right side
    78,897,440.23x = 4,800,472,368,196,471
  5. Step 5: Solve for x
    x = 4,800,472,368,196,471/78,897,440.23
  6. Step 6: Final answer
    x = 60,844,462.81

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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.