Home / 54,126,445.35-74,622,233.43-42,999,856.86

Finding the Fourth Proportional to 54,126,445.35, 74,622,233.43 and 42,999,856.86

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Solution

The fourth proportional to 54,126,445.35, 74,622,233.43 and 42,999,856.86 is: 59,282,395.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,126,445.35 : 74,622,233.43 = 42,999,856.86 : x
  2. Step 2: Convert to fraction form
    54,126,445.35/74,622,233.43 = 42,999,856.86/x
  3. Step 3: Cross multiply
    54,126,445.35x = 74,622,233.43 × 42,999,856.86
  4. Step 4: Simplify right side
    54,126,445.35x = 3,208,745,356,063,507
  5. Step 5: Solve for x
    x = 3,208,745,356,063,507/54,126,445.35
  6. Step 6: Final answer
    x = 59,282,395.79

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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.