Home / 286,490,102.60-429,734,617.50-89,768,575.88

Finding the Fourth Proportional to 286,490,102.60, 429,734,617.50 and 89,768,575.88

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Solution

The fourth proportional to 286,490,102.60, 429,734,617.50 and 89,768,575.88 is: 134,652,695.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,490,102.60 : 429,734,617.50 = 89,768,575.88 : x
  2. Step 2: Convert to fraction form
    286,490,102.60/429,734,617.50 = 89,768,575.88/x
  3. Step 3: Cross multiply
    286,490,102.60x = 429,734,617.50 × 89,768,575.88
  4. Step 4: Simplify right side
    286,490,102.60x = 38,576,664,619,311,520
  5. Step 5: Solve for x
    x = 38,576,664,619,311,520/286,490,102.60
  6. Step 6: Final answer
    x = 134,652,695.74

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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.