Home / 86,203,053.60-129,304,580.40-53,891,440.80

Finding the Fourth Proportional to 86,203,053.60, 129,304,580.40 and 53,891,440.80

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Solution

The fourth proportional to 86,203,053.60, 129,304,580.40 and 53,891,440.80 is: 80,837,161.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,203,053.60 : 129,304,580.40 = 53,891,440.80 : x
  2. Step 2: Convert to fraction form
    86,203,053.60/129,304,580.40 = 53,891,440.80/x
  3. Step 3: Cross multiply
    86,203,053.60x = 129,304,580.40 × 53,891,440.80
  4. Step 4: Simplify right side
    86,203,053.60x = 6,968,410,139,795,440
  5. Step 5: Solve for x
    x = 6,968,410,139,795,440/86,203,053.60
  6. Step 6: Final answer
    x = 80,837,161.20

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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.