Home / 208,225,033.35-312,372,664.77-70,017,786.84

Finding the Fourth Proportional to 208,225,033.35, 312,372,664.77 and 70,017,786.84

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Solution

The fourth proportional to 208,225,033.35, 312,372,664.77 and 70,017,786.84 is: 105,038,487.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,225,033.35 : 312,372,664.77 = 70,017,786.84 : x
  2. Step 2: Convert to fraction form
    208,225,033.35/312,372,664.77 = 70,017,786.84/x
  3. Step 3: Cross multiply
    208,225,033.35x = 312,372,664.77 × 70,017,786.84
  4. Step 4: Simplify right side
    208,225,033.35x = 21,871,642,656,508,636
  5. Step 5: Solve for x
    x = 21,871,642,656,508,636/208,225,033.35
  6. Step 6: Final answer
    x = 105,038,487.95

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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.