Home / 201,280,025.80-301,920,038.70-181,510,420.60

Finding the Fourth Proportional to 201,280,025.80, 301,920,038.70 and 181,510,420.60

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Solution

The fourth proportional to 201,280,025.80, 301,920,038.70 and 181,510,420.60 is: 272,265,630.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,280,025.80 : 301,920,038.70 = 181,510,420.60 : x
  2. Step 2: Convert to fraction form
    201,280,025.80/301,920,038.70 = 181,510,420.60/x
  3. Step 3: Cross multiply
    201,280,025.80x = 301,920,038.70 × 181,510,420.60
  4. Step 4: Simplify right side
    201,280,025.80x = 54,801,633,212,005,272
  5. Step 5: Solve for x
    x = 54,801,633,212,005,272/201,280,025.80
  6. Step 6: Final answer
    x = 272,265,630.90

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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.