Home / 77,432,266.47-106,879,092.66-50,613,492.90

Finding the Fourth Proportional to 77,432,266.47, 106,879,092.66 and 50,613,492.90

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Solution

The fourth proportional to 77,432,266.47, 106,879,092.66 and 50,613,492.90 is: 69,861,369.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,432,266.47 : 106,879,092.66 = 50,613,492.90 : x
  2. Step 2: Convert to fraction form
    77,432,266.47/106,879,092.66 = 50,613,492.90/x
  3. Step 3: Cross multiply
    77,432,266.47x = 106,879,092.66 × 50,613,492.90
  4. Step 4: Simplify right side
    77,432,266.47x = 5,409,524,197,505,352
  5. Step 5: Solve for x
    x = 5,409,524,197,505,352/77,432,266.47
  6. Step 6: Final answer
    x = 69,861,369.74

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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.