Home / 86,910,278.80-130,176,461.40-52,772,083.60

Finding the Fourth Proportional to 86,910,278.80, 130,176,461.40 and 52,772,083.60

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Solution

The fourth proportional to 86,910,278.80, 130,176,461.40 and 52,772,083.60 is: 79,043,390.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,910,278.80 : 130,176,461.40 = 52,772,083.60 : x
  2. Step 2: Convert to fraction form
    86,910,278.80/130,176,461.40 = 52,772,083.60/x
  3. Step 3: Cross multiply
    86,910,278.80x = 130,176,461.40 × 52,772,083.60
  4. Step 4: Simplify right side
    86,910,278.80x = 6,869,683,103,752,974
  5. Step 5: Solve for x
    x = 6,869,683,103,752,974/86,910,278.80
  6. Step 6: Final answer
    x = 79,043,390.48

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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.