Home / 120,673,823.10-181,105,213.05-55,985,643.60

Finding the Fourth Proportional to 120,673,823.10, 181,105,213.05 and 55,985,643.60

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Solution

The fourth proportional to 120,673,823.10, 181,105,213.05 and 55,985,643.60 is: 84,022,297.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,673,823.10 : 181,105,213.05 = 55,985,643.60 : x
  2. Step 2: Convert to fraction form
    120,673,823.10/181,105,213.05 = 55,985,643.60/x
  3. Step 3: Cross multiply
    120,673,823.10x = 181,105,213.05 × 55,985,643.60
  4. Step 4: Simplify right side
    120,673,823.10x = 10,139,291,911,919,370
  5. Step 5: Solve for x
    x = 10,139,291,911,919,370/120,673,823.10
  6. Step 6: Final answer
    x = 84,022,297.89

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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.