Home / 99,870,102.70-149,805,154.04-28,066,518.70

Finding the Fourth Proportional to 99,870,102.70, 149,805,154.04 and 28,066,518.70

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Solution

The fourth proportional to 99,870,102.70, 149,805,154.04 and 28,066,518.70 is: 42,099,778.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,870,102.70 : 149,805,154.04 = 28,066,518.70 : x
  2. Step 2: Convert to fraction form
    99,870,102.70/149,805,154.04 = 28,066,518.70/x
  3. Step 3: Cross multiply
    99,870,102.70x = 149,805,154.04 × 28,066,518.70
  4. Step 4: Simplify right side
    99,870,102.70x = 4,204,509,157,220,040
  5. Step 5: Solve for x
    x = 4,204,509,157,220,040/99,870,102.70
  6. Step 6: Final answer
    x = 42,099,778.05

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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.