Home / 131,563,577.70-197,345,366.55-90,748,908.90

Finding the Fourth Proportional to 131,563,577.70, 197,345,366.55 and 90,748,908.90

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Solution

The fourth proportional to 131,563,577.70, 197,345,366.55 and 90,748,908.90 is: 136,123,363.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,563,577.70 : 197,345,366.55 = 90,748,908.90 : x
  2. Step 2: Convert to fraction form
    131,563,577.70/197,345,366.55 = 90,748,908.90/x
  3. Step 3: Cross multiply
    131,563,577.70x = 197,345,366.55 × 90,748,908.90
  4. Step 4: Simplify right side
    131,563,577.70x = 17,908,876,690,883,060
  5. Step 5: Solve for x
    x = 17,908,876,690,883,060/131,563,577.70
  6. Step 6: Final answer
    x = 136,123,363.35

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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.