Home / 55,358,718.80-83,038,078.20-17,020,171.40

Finding the Fourth Proportional to 55,358,718.80, 83,038,078.20 and 17,020,171.40

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Solution

The fourth proportional to 55,358,718.80, 83,038,078.20 and 17,020,171.40 is: 25,530,257.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,358,718.80 : 83,038,078.20 = 17,020,171.40 : x
  2. Step 2: Convert to fraction form
    55,358,718.80/83,038,078.20 = 17,020,171.40/x
  3. Step 3: Cross multiply
    55,358,718.80x = 83,038,078.20 × 17,020,171.40
  4. Step 4: Simplify right side
    55,358,718.80x = 1,413,322,323,690,603.50
  5. Step 5: Solve for x
    x = 1,413,322,323,690,603.50/55,358,718.80
  6. Step 6: Final answer
    x = 25,530,257.10

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1.5x scale

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.