Home / 286,489,967.31-429,734,414.34-89,768,440.35

Finding the Fourth Proportional to 286,489,967.31, 429,734,414.34 and 89,768,440.35

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Solution

The fourth proportional to 286,489,967.31, 429,734,414.34 and 89,768,440.35 is: 134,652,492.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,489,967.31 : 429,734,414.34 = 89,768,440.35 : x
  2. Step 2: Convert to fraction form
    286,489,967.31/429,734,414.34 = 89,768,440.35/x
  3. Step 3: Cross multiply
    286,489,967.31x = 429,734,414.34 × 89,768,440.35
  4. Step 4: Simplify right side
    286,489,967.31x = 38,576,588,140,022,472
  5. Step 5: Solve for x
    x = 38,576,588,140,022,472/286,489,967.31
  6. Step 6: Final answer
    x = 134,652,492.38

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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.