Home / 130,218,808.73-195,287,074.01-42,765,915.38

Finding the Fourth Proportional to 130,218,808.73, 195,287,074.01 and 42,765,915.38

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Solution

The fourth proportional to 130,218,808.73, 195,287,074.01 and 42,765,915.38 is: 64,135,362.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,218,808.73 : 195,287,074.01 = 42,765,915.38 : x
  2. Step 2: Convert to fraction form
    130,218,808.73/195,287,074.01 = 42,765,915.38/x
  3. Step 3: Cross multiply
    130,218,808.73x = 195,287,074.01 × 42,765,915.38
  4. Step 4: Simplify right side
    130,218,808.73x = 8,351,630,480,729,192
  5. Step 5: Solve for x
    x = 8,351,630,480,729,192/130,218,808.73
  6. Step 6: Final answer
    x = 64,135,362.34

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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.