Home / 31,229,758.51-43,098,413.79-17,291,113.68

Finding the Fourth Proportional to 31,229,758.51, 43,098,413.79 and 17,291,113.68

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Solution

The fourth proportional to 31,229,758.51, 43,098,413.79 and 17,291,113.68 is: 23,862,482.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,229,758.51 : 43,098,413.79 = 17,291,113.68 : x
  2. Step 2: Convert to fraction form
    31,229,758.51/43,098,413.79 = 17,291,113.68/x
  3. Step 3: Cross multiply
    31,229,758.51x = 43,098,413.79 × 17,291,113.68
  4. Step 4: Simplify right side
    31,229,758.51x = 745,219,572,270,569.62
  5. Step 5: Solve for x
    x = 745,219,572,270,569.62/31,229,758.51
  6. Step 6: Final answer
    x = 23,862,482.70

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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.