Home / 178,732,205.32-268,501,889.40-105,996,692.56

Finding the Fourth Proportional to 178,732,205.32, 268,501,889.40 and 105,996,692.56

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Solution

The fourth proportional to 178,732,205.32, 268,501,889.40 and 105,996,692.56 is: 159,234,381.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,732,205.32 : 268,501,889.40 = 105,996,692.56 : x
  2. Step 2: Convert to fraction form
    178,732,205.32/268,501,889.40 = 105,996,692.56/x
  3. Step 3: Cross multiply
    178,732,205.32x = 268,501,889.40 × 105,996,692.56
  4. Step 4: Simplify right side
    178,732,205.32x = 28,460,312,222,510,920
  5. Step 5: Solve for x
    x = 28,460,312,222,510,920/178,732,205.32
  6. Step 6: Final answer
    x = 159,234,381.80

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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.