Home / 170,370,042.80-255,492,078.60-55,358,337.20

Finding the Fourth Proportional to 170,370,042.80, 255,492,078.60 and 55,358,337.20

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Solution

The fourth proportional to 170,370,042.80, 255,492,078.60 and 55,358,337.20 is: 83,017,039.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,370,042.80 : 255,492,078.60 = 55,358,337.20 : x
  2. Step 2: Convert to fraction form
    170,370,042.80/255,492,078.60 = 55,358,337.20/x
  3. Step 3: Cross multiply
    170,370,042.80x = 255,492,078.60 × 55,358,337.20
  4. Step 4: Simplify right side
    170,370,042.80x = 14,143,616,639,067,704
  5. Step 5: Solve for x
    x = 14,143,616,639,067,704/170,370,042.80
  6. Step 6: Final answer
    x = 83,017,039.89

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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.