Home / 170,465,429.60-255,716,806.80-165,090,658.40

Finding the Fourth Proportional to 170,465,429.60, 255,716,806.80 and 165,090,658.40

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Solution

The fourth proportional to 170,465,429.60, 255,716,806.80 and 165,090,658.40 is: 247,654,061.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,465,429.60 : 255,716,806.80 = 165,090,658.40 : x
  2. Step 2: Convert to fraction form
    170,465,429.60/255,716,806.80 = 165,090,658.40/x
  3. Step 3: Cross multiply
    170,465,429.60x = 255,716,806.80 × 165,090,658.40
  4. Step 4: Simplify right side
    170,465,429.60x = 42,216,455,998,557,600
  5. Step 5: Solve for x
    x = 42,216,455,998,557,600/170,465,429.60
  6. Step 6: Final answer
    x = 247,654,061.57

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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.