Home / 201,018,887.20-301,528,330.80-180,611,552.80

Finding the Fourth Proportional to 201,018,887.20, 301,528,330.80 and 180,611,552.80

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Solution

The fourth proportional to 201,018,887.20, 301,528,330.80 and 180,611,552.80 is: 270,917,329.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,018,887.20 : 301,528,330.80 = 180,611,552.80 : x
  2. Step 2: Convert to fraction form
    201,018,887.20/301,528,330.80 = 180,611,552.80/x
  3. Step 3: Cross multiply
    201,018,887.20x = 301,528,330.80 × 180,611,552.80
  4. Step 4: Simplify right side
    201,018,887.20x = 54,459,500,038,980,072
  5. Step 5: Solve for x
    x = 54,459,500,038,980,072/201,018,887.20
  6. Step 6: Final answer
    x = 270,917,329.20

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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.