Home / 297,815,529.20-447,087,210.60-168,513,090.80

Finding the Fourth Proportional to 297,815,529.20, 447,087,210.60 and 168,513,090.80

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Solution

The fourth proportional to 297,815,529.20, 447,087,210.60 and 168,513,090.80 is: 252,975,551.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,815,529.20 : 447,087,210.60 = 168,513,090.80 : x
  2. Step 2: Convert to fraction form
    297,815,529.20/447,087,210.60 = 168,513,090.80/x
  3. Step 3: Cross multiply
    297,815,529.20x = 447,087,210.60 × 168,513,090.80
  4. Step 4: Simplify right side
    297,815,529.20x = 75,340,047,715,356,528
  5. Step 5: Solve for x
    x = 75,340,047,715,356,528/297,815,529.20
  6. Step 6: Final answer
    x = 252,975,551.40

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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.