Home / 99,687,219.40-149,459,970.30-38,252,639.80

Finding the Fourth Proportional to 99,687,219.40, 149,459,970.30 and 38,252,639.80

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Solution

The fourth proportional to 99,687,219.40, 149,459,970.30 and 38,252,639.80 is: 57,351,769.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,687,219.40 : 149,459,970.30 = 38,252,639.80 : x
  2. Step 2: Convert to fraction form
    99,687,219.40/149,459,970.30 = 38,252,639.80/x
  3. Step 3: Cross multiply
    99,687,219.40x = 149,459,970.30 × 38,252,639.80
  4. Step 4: Simplify right side
    99,687,219.40x = 5,717,238,408,404,598
  5. Step 5: Solve for x
    x = 5,717,238,408,404,598/99,687,219.40
  6. Step 6: Final answer
    x = 57,351,769.29

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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.