Home / 92,276,287.40-138,414,431.10-90,841,396.70

Finding the Fourth Proportional to 92,276,287.40, 138,414,431.10 and 90,841,396.70

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Solution

The fourth proportional to 92,276,287.40, 138,414,431.10 and 90,841,396.70 is: 136,262,095.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,276,287.40 : 138,414,431.10 = 90,841,396.70 : x
  2. Step 2: Convert to fraction form
    92,276,287.40/138,414,431.10 = 90,841,396.70/x
  3. Step 3: Cross multiply
    92,276,287.40x = 138,414,431.10 × 90,841,396.70
  4. Step 4: Simplify right side
    92,276,287.40x = 12,573,760,244,559,918
  5. Step 5: Solve for x
    x = 12,573,760,244,559,918/92,276,287.40
  6. Step 6: Final answer
    x = 136,262,095.05

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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.