Home / 201,018,911.70-301,528,367.55-180,611,577.30

Finding the Fourth Proportional to 201,018,911.70, 301,528,367.55 and 180,611,577.30

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Solution

The fourth proportional to 201,018,911.70, 301,528,367.55 and 180,611,577.30 is: 270,917,365.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,018,911.70 : 301,528,367.55 = 180,611,577.30 : x
  2. Step 2: Convert to fraction form
    201,018,911.70/301,528,367.55 = 180,611,577.30/x
  3. Step 3: Cross multiply
    201,018,911.70x = 301,528,367.55 × 180,611,577.30
  4. Step 4: Simplify right side
    201,018,911.70x = 54,459,514,063,899,640
  5. Step 5: Solve for x
    x = 54,459,514,063,899,640/201,018,911.70
  6. Step 6: Final answer
    x = 270,917,365.95

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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.