Home / 114,481,861.10-157,970,595.02-77,392,822.94

Finding the Fourth Proportional to 114,481,861.10, 157,970,595.02 and 77,392,822.94

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Solution

The fourth proportional to 114,481,861.10, 157,970,595.02 and 77,392,822.94 is: 106,792,378.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,481,861.10 : 157,970,595.02 = 77,392,822.94 : x
  2. Step 2: Convert to fraction form
    114,481,861.10/157,970,595.02 = 77,392,822.94/x
  3. Step 3: Cross multiply
    114,481,861.10x = 157,970,595.02 × 77,392,822.94
  4. Step 4: Simplify right side
    114,481,861.10x = 12,225,790,290,109,306
  5. Step 5: Solve for x
    x = 12,225,790,290,109,306/114,481,861.10
  6. Step 6: Final answer
    x = 106,792,378.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.