Home / 247,612,004.40-370,536,208.20-215,615,319.60

Finding the Fourth Proportional to 247,612,004.40, 370,536,208.20 and 215,615,319.60

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Solution

The fourth proportional to 247,612,004.40, 370,536,208.20 and 215,615,319.60 is: 322,655,127.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,612,004.40 : 370,536,208.20 = 215,615,319.60 : x
  2. Step 2: Convert to fraction form
    247,612,004.40/370,536,208.20 = 215,615,319.60/x
  3. Step 3: Cross multiply
    247,612,004.40x = 370,536,208.20 × 215,615,319.60
  4. Step 4: Simplify right side
    247,612,004.40x = 79,893,282,954,415,136
  5. Step 5: Solve for x
    x = 79,893,282,954,415,136/247,612,004.40
  6. Step 6: Final answer
    x = 322,655,127.92

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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.