Home / 74,730,631.08-103,036,648.97-61,453,408.76

Finding the Fourth Proportional to 74,730,631.08, 103,036,648.97 and 61,453,408.76

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Solution

The fourth proportional to 74,730,631.08, 103,036,648.97 and 61,453,408.76 is: 84,730,360.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,730,631.08 : 103,036,648.97 = 61,453,408.76 : x
  2. Step 2: Convert to fraction form
    74,730,631.08/103,036,648.97 = 61,453,408.76/x
  3. Step 3: Cross multiply
    74,730,631.08x = 103,036,648.97 × 61,453,408.76
  4. Step 4: Simplify right side
    74,730,631.08x = 6,331,953,305,591,593
  5. Step 5: Solve for x
    x = 6,331,953,305,591,593/74,730,631.08
  6. Step 6: Final answer
    x = 84,730,360.42

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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.