Home / 100,146,421.80-150,219,632.70-75,593,847.60

Finding the Fourth Proportional to 100,146,421.80, 150,219,632.70 and 75,593,847.60

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Solution

The fourth proportional to 100,146,421.80, 150,219,632.70 and 75,593,847.60 is: 113,390,771.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,146,421.80 : 150,219,632.70 = 75,593,847.60 : x
  2. Step 2: Convert to fraction form
    100,146,421.80/150,219,632.70 = 75,593,847.60/x
  3. Step 3: Cross multiply
    100,146,421.80x = 150,219,632.70 × 75,593,847.60
  4. Step 4: Simplify right side
    100,146,421.80x = 11,355,680,020,851,774
  5. Step 5: Solve for x
    x = 11,355,680,020,851,774/100,146,421.80
  6. Step 6: Final answer
    x = 113,390,771.40

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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.