Home / 121,802,974.91-182,631,497.67-38,768,861.60

Finding the Fourth Proportional to 121,802,974.91, 182,631,497.67 and 38,768,861.60

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Solution

The fourth proportional to 121,802,974.91, 182,631,497.67 and 38,768,861.60 is: 58,130,068.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,802,974.91 : 182,631,497.67 = 38,768,861.60 : x
  2. Step 2: Convert to fraction form
    121,802,974.91/182,631,497.67 = 38,768,861.60/x
  3. Step 3: Cross multiply
    121,802,974.91x = 182,631,497.67 × 38,768,861.60
  4. Step 4: Simplify right side
    121,802,974.91x = 7,080,415,257,425,531
  5. Step 5: Solve for x
    x = 7,080,415,257,425,531/121,802,974.91
  6. Step 6: Final answer
    x = 58,130,068.35

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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.