Home / 131,004,031.90-196,506,047.85-82,536,612.70

Finding the Fourth Proportional to 131,004,031.90, 196,506,047.85 and 82,536,612.70

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Solution

The fourth proportional to 131,004,031.90, 196,506,047.85 and 82,536,612.70 is: 123,804,919.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,004,031.90 : 196,506,047.85 = 82,536,612.70 : x
  2. Step 2: Convert to fraction form
    131,004,031.90/196,506,047.85 = 82,536,612.70/x
  3. Step 3: Cross multiply
    131,004,031.90x = 196,506,047.85 × 82,536,612.70
  4. Step 4: Simplify right side
    131,004,031.90x = 16,218,943,564,603,118
  5. Step 5: Solve for x
    x = 16,218,943,564,603,118/131,004,031.90
  6. Step 6: Final answer
    x = 123,804,919.05

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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.