Home / 39,864,999.51-55,013,934.45-23,129,703.77

Finding the Fourth Proportional to 39,864,999.51, 55,013,934.45 and 23,129,703.77

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Solution

The fourth proportional to 39,864,999.51, 55,013,934.45 and 23,129,703.77 is: 31,919,127.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,864,999.51 : 55,013,934.45 = 23,129,703.77 : x
  2. Step 2: Convert to fraction form
    39,864,999.51/55,013,934.45 = 23,129,703.77/x
  3. Step 3: Cross multiply
    39,864,999.51x = 55,013,934.45 × 23,129,703.77
  4. Step 4: Simplify right side
    39,864,999.51x = 1,272,456,007,160,696
  5. Step 5: Solve for x
    x = 1,272,456,007,160,696/39,864,999.51
  6. Step 6: Final answer
    x = 31,919,127.63

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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.