Home / 53,140,005.12-73,332,881.28-29,942,603.52

Finding the Fourth Proportional to 53,140,005.12, 73,332,881.28 and 29,942,603.52

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Solution

The fourth proportional to 53,140,005.12, 73,332,881.28 and 29,942,603.52 is: 41,320,609.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,140,005.12 : 73,332,881.28 = 29,942,603.52 : x
  2. Step 2: Convert to fraction form
    53,140,005.12/73,332,881.28 = 29,942,603.52/x
  3. Step 3: Cross multiply
    53,140,005.12x = 73,332,881.28 × 29,942,603.52
  4. Step 4: Simplify right side
    53,140,005.12x = 2,195,777,389,146,270
  5. Step 5: Solve for x
    x = 2,195,777,389,146,270/53,140,005.12
  6. Step 6: Final answer
    x = 41,320,609.29

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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.