Home / 145,615,130.40-218,423,512.04-48,570,571.52

Finding the Fourth Proportional to 145,615,130.40, 218,423,512.04 and 48,570,571.52

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Solution

The fourth proportional to 145,615,130.40, 218,423,512.04 and 48,570,571.52 is: 72,856,129.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,615,130.40 : 218,423,512.04 = 48,570,571.52 : x
  2. Step 2: Convert to fraction form
    145,615,130.40/218,423,512.04 = 48,570,571.52/x
  3. Step 3: Cross multiply
    145,615,130.40x = 218,423,512.04 × 48,570,571.52
  4. Step 4: Simplify right side
    145,615,130.40x = 10,608,954,813,188,402
  5. Step 5: Solve for x
    x = 10,608,954,813,188,402/145,615,130.40
  6. Step 6: Final answer
    x = 72,856,129.61

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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.