Home / 117,446,436.80-176,169,655.20-87,213,348.80

Finding the Fourth Proportional to 117,446,436.80, 176,169,655.20 and 87,213,348.80

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Solution

The fourth proportional to 117,446,436.80, 176,169,655.20 and 87,213,348.80 is: 130,820,023.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,446,436.80 : 176,169,655.20 = 87,213,348.80 : x
  2. Step 2: Convert to fraction form
    117,446,436.80/176,169,655.20 = 87,213,348.80/x
  3. Step 3: Cross multiply
    117,446,436.80x = 176,169,655.20 × 87,213,348.80
  4. Step 4: Simplify right side
    117,446,436.80x = 15,364,345,586,933,332
  5. Step 5: Solve for x
    x = 15,364,345,586,933,332/117,446,436.80
  6. Step 6: Final answer
    x = 130,820,023.20

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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.