Home / 201,926,792.20-302,921,505.02-85,342,639.03

Finding the Fourth Proportional to 201,926,792.20, 302,921,505.02 and 85,342,639.03

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Solution

The fourth proportional to 201,926,792.20, 302,921,505.02 and 85,342,639.03 is: 128,027,194.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,926,792.20 : 302,921,505.02 = 85,342,639.03 : x
  2. Step 2: Convert to fraction form
    201,926,792.20/302,921,505.02 = 85,342,639.03/x
  3. Step 3: Cross multiply
    201,926,792.20x = 302,921,505.02 × 85,342,639.03
  4. Step 4: Simplify right side
    201,926,792.20x = 25,852,120,657,346,192
  5. Step 5: Solve for x
    x = 25,852,120,657,346,192/201,926,792.20
  6. Step 6: Final answer
    x = 128,027,194.29

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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.