Home / 91,109,733.40-136,664,600.10-84,094,712.20

Finding the Fourth Proportional to 91,109,733.40, 136,664,600.10 and 84,094,712.20

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Solution

The fourth proportional to 91,109,733.40, 136,664,600.10 and 84,094,712.20 is: 126,142,068.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,109,733.40 : 136,664,600.10 = 84,094,712.20 : x
  2. Step 2: Convert to fraction form
    91,109,733.40/136,664,600.10 = 84,094,712.20/x
  3. Step 3: Cross multiply
    91,109,733.40x = 136,664,600.10 × 84,094,712.20
  4. Step 4: Simplify right side
    91,109,733.40x = 11,492,770,213,337,592
  5. Step 5: Solve for x
    x = 11,492,770,213,337,592/91,109,733.40
  6. Step 6: Final answer
    x = 126,142,068.30

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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.