Home / 89,144,873.20-133,717,309.80-81,492,122.80

Finding the Fourth Proportional to 89,144,873.20, 133,717,309.80 and 81,492,122.80

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Solution

The fourth proportional to 89,144,873.20, 133,717,309.80 and 81,492,122.80 is: 122,238,184.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,144,873.20 : 133,717,309.80 = 81,492,122.80 : x
  2. Step 2: Convert to fraction form
    89,144,873.20/133,717,309.80 = 81,492,122.80/x
  3. Step 3: Cross multiply
    89,144,873.20x = 133,717,309.80 × 81,492,122.80
  4. Step 4: Simplify right side
    89,144,873.20x = 10,896,907,430,707,242
  5. Step 5: Solve for x
    x = 10,896,907,430,707,242/89,144,873.20
  6. Step 6: Final answer
    x = 122,238,184.20

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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.