Home / 235,908,641.35-325,555,436.28-131,493,333.48

Finding the Fourth Proportional to 235,908,641.35, 325,555,436.28 and 131,493,333.48

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Solution

The fourth proportional to 235,908,641.35, 325,555,436.28 and 131,493,333.48 is: 181,461,642.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,908,641.35 : 325,555,436.28 = 131,493,333.48 : x
  2. Step 2: Convert to fraction form
    235,908,641.35/325,555,436.28 = 131,493,333.48/x
  3. Step 3: Cross multiply
    235,908,641.35x = 325,555,436.28 × 131,493,333.48
  4. Step 4: Simplify right side
    235,908,641.35x = 42,808,369,548,992,928
  5. Step 5: Solve for x
    x = 42,808,369,548,992,928/235,908,641.35
  6. Step 6: Final answer
    x = 181,461,642.54

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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.