Home / 99,645,409.20-149,468,113.80-60,903,360.30

Finding the Fourth Proportional to 99,645,409.20, 149,468,113.80 and 60,903,360.30

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Solution

The fourth proportional to 99,645,409.20, 149,468,113.80 and 60,903,360.30 is: 91,355,040.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,645,409.20 : 149,468,113.80 = 60,903,360.30 : x
  2. Step 2: Convert to fraction form
    99,645,409.20/149,468,113.80 = 60,903,360.30/x
  3. Step 3: Cross multiply
    99,645,409.20x = 149,468,113.80 × 60,903,360.30
  4. Step 4: Simplify right side
    99,645,409.20x = 9,103,110,388,122,802
  5. Step 5: Solve for x
    x = 9,103,110,388,122,802/99,645,409.20
  6. Step 6: Final answer
    x = 91,355,040.45

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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.