Home / 92,979,774.12-139,489,839.34-28,281,897.67

Finding the Fourth Proportional to 92,979,774.12, 139,489,839.34 and 28,281,897.67

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Solution

The fourth proportional to 92,979,774.12, 139,489,839.34 and 28,281,897.67 is: 42,428,984.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,979,774.12 : 139,489,839.34 = 28,281,897.67 : x
  2. Step 2: Convert to fraction form
    92,979,774.12/139,489,839.34 = 28,281,897.67/x
  3. Step 3: Cross multiply
    92,979,774.12x = 139,489,839.34 × 28,281,897.67
  4. Step 4: Simplify right side
    92,979,774.12x = 3,945,037,361,938,201
  5. Step 5: Solve for x
    x = 3,945,037,361,938,201/92,979,774.12
  6. Step 6: Final answer
    x = 42,428,984.14

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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.