Home / 145,152,023.90-217,728,035.85-140,225,150.30

Finding the Fourth Proportional to 145,152,023.90, 217,728,035.85 and 140,225,150.30

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Solution

The fourth proportional to 145,152,023.90, 217,728,035.85 and 140,225,150.30 is: 210,337,725.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,152,023.90 : 217,728,035.85 = 140,225,150.30 : x
  2. Step 2: Convert to fraction form
    145,152,023.90/217,728,035.85 = 140,225,150.30/x
  3. Step 3: Cross multiply
    145,152,023.90x = 217,728,035.85 × 140,225,150.30
  4. Step 4: Simplify right side
    145,152,023.90x = 30,530,946,551,590,040
  5. Step 5: Solve for x
    x = 30,530,946,551,590,040/145,152,023.90
  6. Step 6: Final answer
    x = 210,337,725.45

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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.