Home / 100,602,000.30-150,903,000.45-69,990,998.70

Finding the Fourth Proportional to 100,602,000.30, 150,903,000.45 and 69,990,998.70

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Solution

The fourth proportional to 100,602,000.30, 150,903,000.45 and 69,990,998.70 is: 104,986,498.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,602,000.30 : 150,903,000.45 = 69,990,998.70 : x
  2. Step 2: Convert to fraction form
    100,602,000.30/150,903,000.45 = 69,990,998.70/x
  3. Step 3: Cross multiply
    100,602,000.30x = 150,903,000.45 × 69,990,998.70
  4. Step 4: Simplify right side
    100,602,000.30x = 10,561,851,708,322,050
  5. Step 5: Solve for x
    x = 10,561,851,708,322,050/100,602,000.30
  6. Step 6: Final answer
    x = 104,986,498.05

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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.