Home / 99,776,476.80-149,664,715.20-65,736,259.20

Finding the Fourth Proportional to 99,776,476.80, 149,664,715.20 and 65,736,259.20

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Solution

The fourth proportional to 99,776,476.80, 149,664,715.20 and 65,736,259.20 is: 98,604,388.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,776,476.80 : 149,664,715.20 = 65,736,259.20 : x
  2. Step 2: Convert to fraction form
    99,776,476.80/149,664,715.20 = 65,736,259.20/x
  3. Step 3: Cross multiply
    99,776,476.80x = 149,664,715.20 × 65,736,259.20
  4. Step 4: Simplify right side
    99,776,476.80x = 9,838,398,511,481,380
  5. Step 5: Solve for x
    x = 9,838,398,511,481,380/99,776,476.80
  6. Step 6: Final answer
    x = 98,604,388.80

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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.