Home / 120,885,234.60-181,327,851.90-102,178,511.40

Finding the Fourth Proportional to 120,885,234.60, 181,327,851.90 and 102,178,511.40

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Solution

The fourth proportional to 120,885,234.60, 181,327,851.90 and 102,178,511.40 is: 153,267,767.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,885,234.60 : 181,327,851.90 = 102,178,511.40 : x
  2. Step 2: Convert to fraction form
    120,885,234.60/181,327,851.90 = 102,178,511.40/x
  3. Step 3: Cross multiply
    120,885,234.60x = 181,327,851.90 × 102,178,511.40
  4. Step 4: Simplify right side
    120,885,234.60x = 18,527,809,982,501,664
  5. Step 5: Solve for x
    x = 18,527,809,982,501,664/120,885,234.60
  6. Step 6: Final answer
    x = 153,267,767.10

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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.