Home / 122,127,460.20-183,489,788.70-91,894,372.20

Finding the Fourth Proportional to 122,127,460.20, 183,489,788.70 and 91,894,372.20

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Solution

The fourth proportional to 122,127,460.20, 183,489,788.70 and 91,894,372.20 is: 138,066,237.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,127,460.20 : 183,489,788.70 = 91,894,372.20 : x
  2. Step 2: Convert to fraction form
    122,127,460.20/183,489,788.70 = 91,894,372.20/x
  3. Step 3: Cross multiply
    122,127,460.20x = 183,489,788.70 × 91,894,372.20
  4. Step 4: Simplify right side
    122,127,460.20x = 16,861,678,937,697,154
  5. Step 5: Solve for x
    x = 16,861,678,937,697,154/122,127,460.20
  6. Step 6: Final answer
    x = 138,066,237.60

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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.