Home / 105,527,999.20-158,291,998.80-88,521,887.20

Finding the Fourth Proportional to 105,527,999.20, 158,291,998.80 and 88,521,887.20

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Solution

The fourth proportional to 105,527,999.20, 158,291,998.80 and 88,521,887.20 is: 132,782,830.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,527,999.20 : 158,291,998.80 = 88,521,887.20 : x
  2. Step 2: Convert to fraction form
    105,527,999.20/158,291,998.80 = 88,521,887.20/x
  3. Step 3: Cross multiply
    105,527,999.20x = 158,291,998.80 × 88,521,887.20
  4. Step 4: Simplify right side
    105,527,999.20x = 14,012,306,462,436,136
  5. Step 5: Solve for x
    x = 14,012,306,462,436,136/105,527,999.20
  6. Step 6: Final answer
    x = 132,782,830.80

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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.