Home / 120,672,315.60-181,102,951.80-55,984,136.10

Finding the Fourth Proportional to 120,672,315.60, 181,102,951.80 and 55,984,136.10

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Solution

The fourth proportional to 120,672,315.60, 181,102,951.80 and 55,984,136.10 is: 84,020,036.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,672,315.60 : 181,102,951.80 = 55,984,136.10 : x
  2. Step 2: Convert to fraction form
    120,672,315.60/181,102,951.80 = 55,984,136.10/x
  3. Step 3: Cross multiply
    120,672,315.60x = 181,102,951.80 × 55,984,136.10
  4. Step 4: Simplify right side
    120,672,315.60x = 10,138,892,301,682,940
  5. Step 5: Solve for x
    x = 10,138,892,301,682,940/120,672,315.60
  6. Step 6: Final answer
    x = 84,020,036.01

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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.