Home / 107,409,715.20-161,114,572.80-96,660,172.80

Finding the Fourth Proportional to 107,409,715.20, 161,114,572.80 and 96,660,172.80

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Solution

The fourth proportional to 107,409,715.20, 161,114,572.80 and 96,660,172.80 is: 144,990,259.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,409,715.20 : 161,114,572.80 = 96,660,172.80 : x
  2. Step 2: Convert to fraction form
    107,409,715.20/161,114,572.80 = 96,660,172.80/x
  3. Step 3: Cross multiply
    107,409,715.20x = 161,114,572.80 × 96,660,172.80
  4. Step 4: Simplify right side
    107,409,715.20x = 15,573,362,447,446,180
  5. Step 5: Solve for x
    x = 15,573,362,447,446,180/107,409,715.20
  6. Step 6: Final answer
    x = 144,990,259.20

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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.