Home / 143,704,806.48-198,312,705.36-77,625,301.32

Finding the Fourth Proportional to 143,704,806.48, 198,312,705.36 and 77,625,301.32

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Solution

The fourth proportional to 143,704,806.48, 198,312,705.36 and 77,625,301.32 is: 107,122,954.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,704,806.48 : 198,312,705.36 = 77,625,301.32 : x
  2. Step 2: Convert to fraction form
    143,704,806.48/198,312,705.36 = 77,625,301.32/x
  3. Step 3: Cross multiply
    143,704,806.48x = 198,312,705.36 × 77,625,301.32
  4. Step 4: Simplify right side
    143,704,806.48x = 15,394,083,509,154,378
  5. Step 5: Solve for x
    x = 15,394,083,509,154,378/143,704,806.48
  6. Step 6: Final answer
    x = 107,122,954.94

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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.