Home / 86,844,772.80-130,078,202.40-52,706,577.60

Finding the Fourth Proportional to 86,844,772.80, 130,078,202.40 and 52,706,577.60

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Solution

The fourth proportional to 86,844,772.80, 130,078,202.40 and 52,706,577.60 is: 78,945,187.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,844,772.80 : 130,078,202.40 = 52,706,577.60 : x
  2. Step 2: Convert to fraction form
    86,844,772.80/130,078,202.40 = 52,706,577.60/x
  3. Step 3: Cross multiply
    86,844,772.80x = 130,078,202.40 × 52,706,577.60
  4. Step 4: Simplify right side
    86,844,772.80x = 6,855,976,868,864,107
  5. Step 5: Solve for x
    x = 6,855,976,868,864,107/86,844,772.80
  6. Step 6: Final answer
    x = 78,945,187.46

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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.