Home / 290,331,568.40-435,497,352.60-98,855,344.40

Finding the Fourth Proportional to 290,331,568.40, 435,497,352.60 and 98,855,344.40

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Solution

The fourth proportional to 290,331,568.40, 435,497,352.60 and 98,855,344.40 is: 148,283,016.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,331,568.40 : 435,497,352.60 = 98,855,344.40 : x
  2. Step 2: Convert to fraction form
    290,331,568.40/435,497,352.60 = 98,855,344.40/x
  3. Step 3: Cross multiply
    290,331,568.40x = 435,497,352.60 × 98,855,344.40
  4. Step 4: Simplify right side
    290,331,568.40x = 43,051,240,776,561,240
  5. Step 5: Solve for x
    x = 43,051,240,776,561,240/290,331,568.40
  6. Step 6: Final answer
    x = 148,283,016.60

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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.