Home / 202,143,139.52-278,957,718.86-109,323,647.46

Finding the Fourth Proportional to 202,143,139.52, 278,957,718.86 and 109,323,647.46

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Solution

The fourth proportional to 202,143,139.52, 278,957,718.86 and 109,323,647.46 is: 150,866,734.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,143,139.52 : 278,957,718.86 = 109,323,647.46 : x
  2. Step 2: Convert to fraction form
    202,143,139.52/278,957,718.86 = 109,323,647.46/x
  3. Step 3: Cross multiply
    202,143,139.52x = 278,957,718.86 × 109,323,647.46
  4. Step 4: Simplify right side
    202,143,139.52x = 30,496,675,312,349,816
  5. Step 5: Solve for x
    x = 30,496,675,312,349,816/202,143,139.52
  6. Step 6: Final answer
    x = 150,866,734.26

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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.