Home / 131,561,570.70-197,342,356.05-90,746,901.90

Finding the Fourth Proportional to 131,561,570.70, 197,342,356.05 and 90,746,901.90

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Solution

The fourth proportional to 131,561,570.70, 197,342,356.05 and 90,746,901.90 is: 136,120,352.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,561,570.70 : 197,342,356.05 = 90,746,901.90 : x
  2. Step 2: Convert to fraction form
    131,561,570.70/197,342,356.05 = 90,746,901.90/x
  3. Step 3: Cross multiply
    131,561,570.70x = 197,342,356.05 × 90,746,901.90
  4. Step 4: Simplify right side
    131,561,570.70x = 17,908,207,425,184,224
  5. Step 5: Solve for x
    x = 17,908,207,425,184,224/131,561,570.70
  6. Step 6: Final answer
    x = 136,120,352.85

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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.