Home / 53,504,015.80-80,256,023.70-53,205,417.40

Finding the Fourth Proportional to 53,504,015.80, 80,256,023.70 and 53,205,417.40

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Solution

The fourth proportional to 53,504,015.80, 80,256,023.70 and 53,205,417.40 is: 79,808,126.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,504,015.80 : 80,256,023.70 = 53,205,417.40 : x
  2. Step 2: Convert to fraction form
    53,504,015.80/80,256,023.70 = 53,205,417.40/x
  3. Step 3: Cross multiply
    53,504,015.80x = 80,256,023.70 × 53,205,417.40
  4. Step 4: Simplify right side
    53,504,015.80x = 4,270,055,239,822,792.50
  5. Step 5: Solve for x
    x = 4,270,055,239,822,792.50/53,504,015.80
  6. Step 6: Final answer
    x = 79,808,126.10

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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.