Home / 150,012,129.60-224,850,232.80-85,346,913.60

Finding the Fourth Proportional to 150,012,129.60, 224,850,232.80 and 85,346,913.60

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Solution

The fourth proportional to 150,012,129.60, 224,850,232.80 and 85,346,913.60 is: 127,924,811.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,012,129.60 : 224,850,232.80 = 85,346,913.60 : x
  2. Step 2: Convert to fraction form
    150,012,129.60/224,850,232.80 = 85,346,913.60/x
  3. Step 3: Cross multiply
    150,012,129.60x = 224,850,232.80 × 85,346,913.60
  4. Step 4: Simplify right side
    150,012,129.60x = 19,190,273,391,721,484
  5. Step 5: Solve for x
    x = 19,190,273,391,721,484/150,012,129.60
  6. Step 6: Final answer
    x = 127,924,811.43

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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.