Home / 117,402,443.20-176,103,664.80-73,753,422.40

Finding the Fourth Proportional to 117,402,443.20, 176,103,664.80 and 73,753,422.40

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Solution

The fourth proportional to 117,402,443.20, 176,103,664.80 and 73,753,422.40 is: 110,630,133.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,402,443.20 : 176,103,664.80 = 73,753,422.40 : x
  2. Step 2: Convert to fraction form
    117,402,443.20/176,103,664.80 = 73,753,422.40/x
  3. Step 3: Cross multiply
    117,402,443.20x = 176,103,664.80 × 73,753,422.40
  4. Step 4: Simplify right side
    117,402,443.20x = 12,988,247,976,182,414
  5. Step 5: Solve for x
    x = 12,988,247,976,182,414/117,402,443.20
  6. Step 6: Final answer
    x = 110,630,133.60

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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.