Home / 103,062,536.19-142,227,252.41-56,019,720.29

Finding the Fourth Proportional to 103,062,536.19, 142,227,252.41 and 56,019,720.29

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Solution

The fourth proportional to 103,062,536.19, 142,227,252.41 and 56,019,720.29 is: 77,307,731.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,062,536.19 : 142,227,252.41 = 56,019,720.29 : x
  2. Step 2: Convert to fraction form
    103,062,536.19/142,227,252.41 = 56,019,720.29/x
  3. Step 3: Cross multiply
    103,062,536.19x = 142,227,252.41 × 56,019,720.29
  4. Step 4: Simplify right side
    103,062,536.19x = 7,967,530,896,632,193
  5. Step 5: Solve for x
    x = 7,967,530,896,632,193/103,062,536.19
  6. Step 6: Final answer
    x = 77,307,731.71

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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.