Home / 199,290,028.60-298,982,282.10-102,260,711.80

Finding the Fourth Proportional to 199,290,028.60, 298,982,282.10 and 102,260,711.80

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Solution

The fourth proportional to 199,290,028.60, 298,982,282.10 and 102,260,711.80 is: 153,415,307.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,290,028.60 : 298,982,282.10 = 102,260,711.80 : x
  2. Step 2: Convert to fraction form
    199,290,028.60/298,982,282.10 = 102,260,711.80/x
  3. Step 3: Cross multiply
    199,290,028.60x = 298,982,282.10 × 102,260,711.80
  4. Step 4: Simplify right side
    199,290,028.60x = 30,574,140,983,134,400
  5. Step 5: Solve for x
    x = 30,574,140,983,134,400/199,290,028.60
  6. Step 6: Final answer
    x = 153,415,307.32

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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.