Home / 79,642,368.72-109,898,611.92-44,358,991.20

Finding the Fourth Proportional to 79,642,368.72, 109,898,611.92 and 44,358,991.20

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Solution

The fourth proportional to 79,642,368.72, 109,898,611.92 and 44,358,991.20 is: 61,211,031.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,642,368.72 : 109,898,611.92 = 44,358,991.20 : x
  2. Step 2: Convert to fraction form
    79,642,368.72/109,898,611.92 = 44,358,991.20/x
  3. Step 3: Cross multiply
    79,642,368.72x = 109,898,611.92 × 44,358,991.20
  4. Step 4: Simplify right side
    79,642,368.72x = 4,874,991,559,051,496
  5. Step 5: Solve for x
    x = 4,874,991,559,051,496/79,642,368.72
  6. Step 6: Final answer
    x = 61,211,031.73

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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.