Home / 173,501,998.80-260,252,998.20-76,407,728.10

Finding the Fourth Proportional to 173,501,998.80, 260,252,998.20 and 76,407,728.10

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Solution

The fourth proportional to 173,501,998.80, 260,252,998.20 and 76,407,728.10 is: 114,611,592.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,501,998.80 : 260,252,998.20 = 76,407,728.10 : x
  2. Step 2: Convert to fraction form
    173,501,998.80/260,252,998.20 = 76,407,728.10/x
  3. Step 3: Cross multiply
    173,501,998.80x = 260,252,998.20 × 76,407,728.10
  4. Step 4: Simplify right side
    173,501,998.80x = 19,885,340,323,675,388
  5. Step 5: Solve for x
    x = 19,885,340,323,675,388/173,501,998.80
  6. Step 6: Final answer
    x = 114,611,592.15

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1.5x scale

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.