Home / 157,592,396.32-217,475,236.78-87,030,992.19

Finding the Fourth Proportional to 157,592,396.32, 217,475,236.78 and 87,030,992.19

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Solution

The fourth proportional to 157,592,396.32, 217,475,236.78 and 87,030,992.19 is: 120,101,515.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,592,396.32 : 217,475,236.78 = 87,030,992.19 : x
  2. Step 2: Convert to fraction form
    157,592,396.32/217,475,236.78 = 87,030,992.19/x
  3. Step 3: Cross multiply
    157,592,396.32x = 217,475,236.78 × 87,030,992.19
  4. Step 4: Simplify right side
    157,592,396.32x = 18,927,085,632,971,028
  5. Step 5: Solve for x
    x = 18,927,085,632,971,028/157,592,396.32
  6. Step 6: Final answer
    x = 120,101,515.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.