Home / 215,955,803.22-323,967,297.18-70,355,469.06

Finding the Fourth Proportional to 215,955,803.22, 323,967,297.18 and 70,355,469.06

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Solution

The fourth proportional to 215,955,803.22, 323,967,297.18 and 70,355,469.06 is: 105,544,147.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,955,803.22 : 323,967,297.18 = 70,355,469.06 : x
  2. Step 2: Convert to fraction form
    215,955,803.22/323,967,297.18 = 70,355,469.06/x
  3. Step 3: Cross multiply
    215,955,803.22x = 323,967,297.18 × 70,355,469.06
  4. Step 4: Simplify right side
    215,955,803.22x = 22,792,871,153,199,316
  5. Step 5: Solve for x
    x = 22,792,871,153,199,316/215,955,803.22
  6. Step 6: Final answer
    x = 105,544,147.52

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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.