Home / 72,748,984.67-100,378,612.19-41,803,175.24

Finding the Fourth Proportional to 72,748,984.67, 100,378,612.19 and 41,803,175.24

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Solution

The fourth proportional to 72,748,984.67, 100,378,612.19 and 41,803,175.24 is: 57,679,770.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,748,984.67 : 100,378,612.19 = 41,803,175.24 : x
  2. Step 2: Convert to fraction form
    72,748,984.67/100,378,612.19 = 41,803,175.24/x
  3. Step 3: Cross multiply
    72,748,984.67x = 100,378,612.19 × 41,803,175.24
  4. Step 4: Simplify right side
    72,748,984.67x = 4,196,144,715,329,185
  5. Step 5: Solve for x
    x = 4,196,144,715,329,185/72,748,984.67
  6. Step 6: Final answer
    x = 57,679,770.17

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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.