Home / 79,224,617.80-118,836,926.70-40,960,865.80

Finding the Fourth Proportional to 79,224,617.80, 118,836,926.70 and 40,960,865.80

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Solution

The fourth proportional to 79,224,617.80, 118,836,926.70 and 40,960,865.80 is: 61,441,298.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,224,617.80 : 118,836,926.70 = 40,960,865.80 : x
  2. Step 2: Convert to fraction form
    79,224,617.80/118,836,926.70 = 40,960,865.80/x
  3. Step 3: Cross multiply
    79,224,617.80x = 118,836,926.70 × 40,960,865.80
  4. Step 4: Simplify right side
    79,224,617.80x = 4,867,663,406,643,137
  5. Step 5: Solve for x
    x = 4,867,663,406,643,137/79,224,617.80
  6. Step 6: Final answer
    x = 61,441,298.70

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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.