Home / 201,280,026.30-301,920,039.45-181,510,421.10

Finding the Fourth Proportional to 201,280,026.30, 301,920,039.45 and 181,510,421.10

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Solution

The fourth proportional to 201,280,026.30, 301,920,039.45 and 181,510,421.10 is: 272,265,631.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,280,026.30 : 301,920,039.45 = 181,510,421.10 : x
  2. Step 2: Convert to fraction form
    201,280,026.30/301,920,039.45 = 181,510,421.10/x
  3. Step 3: Cross multiply
    201,280,026.30x = 301,920,039.45 × 181,510,421.10
  4. Step 4: Simplify right side
    201,280,026.30x = 54,801,633,499,098,112
  5. Step 5: Solve for x
    x = 54,801,633,499,098,112/201,280,026.30
  6. Step 6: Final answer
    x = 272,265,631.65

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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.