Home / 99,076,757.70-148,615,136.55-64,639,380.90

Finding the Fourth Proportional to 99,076,757.70, 148,615,136.55 and 64,639,380.90

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Solution

The fourth proportional to 99,076,757.70, 148,615,136.55 and 64,639,380.90 is: 96,959,071.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,076,757.70 : 148,615,136.55 = 64,639,380.90 : x
  2. Step 2: Convert to fraction form
    99,076,757.70/148,615,136.55 = 64,639,380.90/x
  3. Step 3: Cross multiply
    99,076,757.70x = 148,615,136.55 × 64,639,380.90
  4. Step 4: Simplify right side
    99,076,757.70x = 9,606,390,418,960,962
  5. Step 5: Solve for x
    x = 9,606,390,418,960,962/99,076,757.70
  6. Step 6: Final answer
    x = 96,959,071.35

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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.