Home / 86,821,495.95-130,133,179.98-34,972,921.77

Finding the Fourth Proportional to 86,821,495.95, 130,133,179.98 and 34,972,921.77

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Solution

The fourth proportional to 86,821,495.95, 130,133,179.98 and 34,972,921.77 is: 52,419,478.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,821,495.95 : 130,133,179.98 = 34,972,921.77 : x
  2. Step 2: Convert to fraction form
    86,821,495.95/130,133,179.98 = 34,972,921.77/x
  3. Step 3: Cross multiply
    86,821,495.95x = 130,133,179.98 × 34,972,921.77
  4. Step 4: Simplify right side
    86,821,495.95x = 4,551,137,523,121,871
  5. Step 5: Solve for x
    x = 4,551,137,523,121,871/86,821,495.95
  6. Step 6: Final answer
    x = 52,419,478.30

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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.