Home / 302,213,998.20-453,209,022.90-97,748,743.80

Finding the Fourth Proportional to 302,213,998.20, 453,209,022.90 and 97,748,743.80

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Solution

The fourth proportional to 302,213,998.20, 453,209,022.90 and 97,748,743.80 is: 146,586,898.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,213,998.20 : 453,209,022.90 = 97,748,743.80 : x
  2. Step 2: Convert to fraction form
    302,213,998.20/453,209,022.90 = 97,748,743.80/x
  3. Step 3: Cross multiply
    302,213,998.20x = 453,209,022.90 × 97,748,743.80
  4. Step 4: Simplify right side
    302,213,998.20x = 44,300,612,667,300,432
  5. Step 5: Solve for x
    x = 44,300,612,667,300,432/302,213,998.20
  6. Step 6: Final answer
    x = 146,586,898.46

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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.