Home / 201,280,024.80-301,920,037.20-181,510,419.60

Finding the Fourth Proportional to 201,280,024.80, 301,920,037.20 and 181,510,419.60

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Solution

The fourth proportional to 201,280,024.80, 301,920,037.20 and 181,510,419.60 is: 272,265,629.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,280,024.80 : 301,920,037.20 = 181,510,419.60 : x
  2. Step 2: Convert to fraction form
    201,280,024.80/301,920,037.20 = 181,510,419.60/x
  3. Step 3: Cross multiply
    201,280,024.80x = 301,920,037.20 × 181,510,419.60
  4. Step 4: Simplify right side
    201,280,024.80x = 54,801,632,637,819,608
  5. Step 5: Solve for x
    x = 54,801,632,637,819,608/201,280,024.80
  6. Step 6: Final answer
    x = 272,265,629.40

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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.