Home / 53,504,030.80-80,256,046.20-53,205,432.40

Finding the Fourth Proportional to 53,504,030.80, 80,256,046.20 and 53,205,432.40

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Solution

The fourth proportional to 53,504,030.80, 80,256,046.20 and 53,205,432.40 is: 79,808,148.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,504,030.80 : 80,256,046.20 = 53,205,432.40 : x
  2. Step 2: Convert to fraction form
    53,504,030.80/80,256,046.20 = 53,205,432.40/x
  3. Step 3: Cross multiply
    53,504,030.80x = 80,256,046.20 × 53,205,432.40
  4. Step 4: Simplify right side
    53,504,030.80x = 4,270,057,640,785,377
  5. Step 5: Solve for x
    x = 4,270,057,640,785,377/53,504,030.80
  6. Step 6: Final answer
    x = 79,808,148.60

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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.