Home / 201,205,213.60-301,807,820.40-99,168,541.60

Finding the Fourth Proportional to 201,205,213.60, 301,807,820.40 and 99,168,541.60

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Solution

The fourth proportional to 201,205,213.60, 301,807,820.40 and 99,168,541.60 is: 148,752,812.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,205,213.60 : 301,807,820.40 = 99,168,541.60 : x
  2. Step 2: Convert to fraction form
    201,205,213.60/301,807,820.40 = 99,168,541.60/x
  3. Step 3: Cross multiply
    201,205,213.60x = 301,807,820.40 × 99,168,541.60
  4. Step 4: Simplify right side
    201,205,213.60x = 29,929,841,392,542,724
  5. Step 5: Solve for x
    x = 29,929,841,392,542,724/201,205,213.60
  6. Step 6: Final answer
    x = 148,752,812.40

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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.