Home / 99,072,601.20-148,608,901.80-30,906,435.60

Finding the Fourth Proportional to 99,072,601.20, 148,608,901.80 and 30,906,435.60

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Solution

The fourth proportional to 99,072,601.20, 148,608,901.80 and 30,906,435.60 is: 46,359,653.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,072,601.20 : 148,608,901.80 = 30,906,435.60 : x
  2. Step 2: Convert to fraction form
    99,072,601.20/148,608,901.80 = 30,906,435.60/x
  3. Step 3: Cross multiply
    99,072,601.20x = 148,608,901.80 × 30,906,435.60
  4. Step 4: Simplify right side
    99,072,601.20x = 4,592,971,453,068,425
  5. Step 5: Solve for x
    x = 4,592,971,453,068,425/99,072,601.20
  6. Step 6: Final answer
    x = 46,359,653.40

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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.