Home / 250,372,788.21-375,294,116.55-84,218,117.69

Finding the Fourth Proportional to 250,372,788.21, 375,294,116.55 and 84,218,117.69

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Solution

The fourth proportional to 250,372,788.21, 375,294,116.55 and 84,218,117.69 is: 126,238,016.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,372,788.21 : 375,294,116.55 = 84,218,117.69 : x
  2. Step 2: Convert to fraction form
    250,372,788.21/375,294,116.55 = 84,218,117.69/x
  3. Step 3: Cross multiply
    250,372,788.21x = 375,294,116.55 × 84,218,117.69
  4. Step 4: Simplify right side
    250,372,788.21x = 31,606,564,075,972,476
  5. Step 5: Solve for x
    x = 31,606,564,075,972,476/250,372,788.21
  6. Step 6: Final answer
    x = 126,238,016.13

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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.