Home / 191,031,441.68-263,624,278.92-108,529,753.52

Finding the Fourth Proportional to 191,031,441.68, 263,624,278.92 and 108,529,753.52

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Solution

The fourth proportional to 191,031,441.68, 263,624,278.92 and 108,529,753.52 is: 149,771,565.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,031,441.68 : 263,624,278.92 = 108,529,753.52 : x
  2. Step 2: Convert to fraction form
    191,031,441.68/263,624,278.92 = 108,529,753.52/x
  3. Step 3: Cross multiply
    191,031,441.68x = 263,624,278.92 × 108,529,753.52
  4. Step 4: Simplify right side
    191,031,441.68x = 28,611,078,013,075,328
  5. Step 5: Solve for x
    x = 28,611,078,013,075,328/191,031,441.68
  6. Step 6: Final answer
    x = 149,771,565.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.