Home / 119,770,642.31-179,736,213.60-42,047,777.57

Finding the Fourth Proportional to 119,770,642.31, 179,736,213.60 and 42,047,777.57

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Solution

The fourth proportional to 119,770,642.31, 179,736,213.60 and 42,047,777.57 is: 63,099,839.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,770,642.31 : 179,736,213.60 = 42,047,777.57 : x
  2. Step 2: Convert to fraction form
    119,770,642.31/179,736,213.60 = 42,047,777.57/x
  3. Step 3: Cross multiply
    119,770,642.31x = 179,736,213.60 × 42,047,777.57
  4. Step 4: Simplify right side
    119,770,642.31x = 7,557,508,329,828,127
  5. Step 5: Solve for x
    x = 7,557,508,329,828,127/119,770,642.31
  6. Step 6: Final answer
    x = 63,099,839.70

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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.