Home / 201,667,001.20-302,500,501.80-99,630,329.20

Finding the Fourth Proportional to 201,667,001.20, 302,500,501.80 and 99,630,329.20

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Solution

The fourth proportional to 201,667,001.20, 302,500,501.80 and 99,630,329.20 is: 149,445,493.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,667,001.20 : 302,500,501.80 = 99,630,329.20 : x
  2. Step 2: Convert to fraction form
    201,667,001.20/302,500,501.80 = 99,630,329.20/x
  3. Step 3: Cross multiply
    201,667,001.20x = 302,500,501.80 × 99,630,329.20
  4. Step 4: Simplify right side
    201,667,001.20x = 30,138,224,577,499,196
  5. Step 5: Solve for x
    x = 30,138,224,577,499,196/201,667,001.20
  6. Step 6: Final answer
    x = 149,445,493.80

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1.5x scale

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.