Home / 100,838,961.60-151,258,442.40-66,401,584.80

Finding the Fourth Proportional to 100,838,961.60, 151,258,442.40 and 66,401,584.80

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Solution

The fourth proportional to 100,838,961.60, 151,258,442.40 and 66,401,584.80 is: 99,602,377.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,838,961.60 : 151,258,442.40 = 66,401,584.80 : x
  2. Step 2: Convert to fraction form
    100,838,961.60/151,258,442.40 = 66,401,584.80/x
  3. Step 3: Cross multiply
    100,838,961.60x = 151,258,442.40 × 66,401,584.80
  4. Step 4: Simplify right side
    100,838,961.60x = 10,043,800,289,739,516
  5. Step 5: Solve for x
    x = 10,043,800,289,739,516/100,838,961.60
  6. Step 6: Final answer
    x = 99,602,377.20

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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.