Home / 91,715,501.12-126,564,781.60-50,462,421.44

Finding the Fourth Proportional to 91,715,501.12, 126,564,781.60 and 50,462,421.44

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Solution

The fourth proportional to 91,715,501.12, 126,564,781.60 and 50,462,421.44 is: 69,636,705.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,715,501.12 : 126,564,781.60 = 50,462,421.44 : x
  2. Step 2: Convert to fraction form
    91,715,501.12/126,564,781.60 = 50,462,421.44/x
  3. Step 3: Cross multiply
    91,715,501.12x = 126,564,781.60 × 50,462,421.44
  4. Step 4: Simplify right side
    91,715,501.12x = 6,386,765,348,560,757
  5. Step 5: Solve for x
    x = 6,386,765,348,560,757/91,715,501.12
  6. Step 6: Final answer
    x = 69,636,705.58

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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.