Home / 99,076,754.70-148,615,132.05-64,639,377.90

Finding the Fourth Proportional to 99,076,754.70, 148,615,132.05 and 64,639,377.90

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Solution

The fourth proportional to 99,076,754.70, 148,615,132.05 and 64,639,377.90 is: 96,959,066.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,076,754.70 : 148,615,132.05 = 64,639,377.90 : x
  2. Step 2: Convert to fraction form
    99,076,754.70/148,615,132.05 = 64,639,377.90/x
  3. Step 3: Cross multiply
    99,076,754.70x = 148,615,132.05 × 64,639,377.90
  4. Step 4: Simplify right side
    99,076,754.70x = 9,606,389,682,238,352
  5. Step 5: Solve for x
    x = 9,606,389,682,238,352/99,076,754.70
  6. Step 6: Final answer
    x = 96,959,066.85

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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.