Home / 65,408,082.70-98,112,124.05-19,963,972.30

Finding the Fourth Proportional to 65,408,082.70, 98,112,124.05 and 19,963,972.30

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Solution

The fourth proportional to 65,408,082.70, 98,112,124.05 and 19,963,972.30 is: 29,945,958.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,408,082.70 : 98,112,124.05 = 19,963,972.30 : x
  2. Step 2: Convert to fraction form
    65,408,082.70/98,112,124.05 = 19,963,972.30/x
  3. Step 3: Cross multiply
    65,408,082.70x = 98,112,124.05 × 19,963,972.30
  4. Step 4: Simplify right side
    65,408,082.70x = 1,958,707,726,828,363.75
  5. Step 5: Solve for x
    x = 1,958,707,726,828,363.75/65,408,082.70
  6. Step 6: Final answer
    x = 29,945,958.45

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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.