Home / 99,408,031.30-149,023,400.55-38,809,663.30

Finding the Fourth Proportional to 99,408,031.30, 149,023,400.55 and 38,809,663.30

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Solution

The fourth proportional to 99,408,031.30, 149,023,400.55 and 38,809,663.30 is: 58,179,886.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,408,031.30 : 149,023,400.55 = 38,809,663.30 : x
  2. Step 2: Convert to fraction form
    99,408,031.30/149,023,400.55 = 38,809,663.30/x
  3. Step 3: Cross multiply
    99,408,031.30x = 149,023,400.55 × 38,809,663.30
  4. Step 4: Simplify right side
    99,408,031.30x = 5,783,547,999,166,535
  5. Step 5: Solve for x
    x = 5,783,547,999,166,535/99,408,031.30
  6. Step 6: Final answer
    x = 58,179,886.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.