Home / 99,645,389.20-149,468,083.80-60,903,340.30

Finding the Fourth Proportional to 99,645,389.20, 149,468,083.80 and 60,903,340.30

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Solution

The fourth proportional to 99,645,389.20, 149,468,083.80 and 60,903,340.30 is: 91,355,010.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,645,389.20 : 149,468,083.80 = 60,903,340.30 : x
  2. Step 2: Convert to fraction form
    99,645,389.20/149,468,083.80 = 60,903,340.30/x
  3. Step 3: Cross multiply
    99,645,389.20x = 149,468,083.80 × 60,903,340.30
  4. Step 4: Simplify right side
    99,645,389.20x = 9,103,105,571,660,318
  5. Step 5: Solve for x
    x = 9,103,105,571,660,318/99,645,389.20
  6. Step 6: Final answer
    x = 91,355,010.45

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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.