Home / 86,910,288.30-130,176,475.65-52,772,093.10

Finding the Fourth Proportional to 86,910,288.30, 130,176,475.65 and 52,772,093.10

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Solution

The fourth proportional to 86,910,288.30, 130,176,475.65 and 52,772,093.10 is: 79,043,404.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,910,288.30 : 130,176,475.65 = 52,772,093.10 : x
  2. Step 2: Convert to fraction form
    86,910,288.30/130,176,475.65 = 52,772,093.10/x
  3. Step 3: Cross multiply
    86,910,288.30x = 130,176,475.65 × 52,772,093.10
  4. Step 4: Simplify right side
    86,910,288.30x = 6,869,685,092,431,684
  5. Step 5: Solve for x
    x = 6,869,685,092,431,684/86,910,288.30
  6. Step 6: Final answer
    x = 79,043,404.72

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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.