Home / 201,453,990.30-302,180,985.45-185,581,619.10

Finding the Fourth Proportional to 201,453,990.30, 302,180,985.45 and 185,581,619.10

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Solution

The fourth proportional to 201,453,990.30, 302,180,985.45 and 185,581,619.10 is: 278,372,428.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,453,990.30 : 302,180,985.45 = 185,581,619.10 : x
  2. Step 2: Convert to fraction form
    201,453,990.30/302,180,985.45 = 185,581,619.10/x
  3. Step 3: Cross multiply
    201,453,990.30x = 302,180,985.45 × 185,581,619.10
  4. Step 4: Simplify right side
    201,453,990.30x = 56,079,236,541,044,536
  5. Step 5: Solve for x
    x = 56,079,236,541,044,536/201,453,990.30
  6. Step 6: Final answer
    x = 278,372,428.65

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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.