Home / 201,018,895.20-301,528,342.80-180,611,560.80

Finding the Fourth Proportional to 201,018,895.20, 301,528,342.80 and 180,611,560.80

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Solution

The fourth proportional to 201,018,895.20, 301,528,342.80 and 180,611,560.80 is: 270,917,341.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,018,895.20 : 301,528,342.80 = 180,611,560.80 : x
  2. Step 2: Convert to fraction form
    201,018,895.20/301,528,342.80 = 180,611,560.80/x
  3. Step 3: Cross multiply
    201,018,895.20x = 301,528,342.80 × 180,611,560.80
  4. Step 4: Simplify right side
    201,018,895.20x = 54,459,504,618,545,448
  5. Step 5: Solve for x
    x = 54,459,504,618,545,448/201,018,895.20
  6. Step 6: Final answer
    x = 270,917,341.20

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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.