Home / 160,911,749.92-222,081,614.04-90,355,280.80

Finding the Fourth Proportional to 160,911,749.92, 222,081,614.04 and 90,355,280.80

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Solution

The fourth proportional to 160,911,749.92, 222,081,614.04 and 90,355,280.80 is: 124,703,426.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,911,749.92 : 222,081,614.04 = 90,355,280.80 : x
  2. Step 2: Convert to fraction form
    160,911,749.92/222,081,614.04 = 90,355,280.80/x
  3. Step 3: Cross multiply
    160,911,749.92x = 222,081,614.04 × 90,355,280.80
  4. Step 4: Simplify right side
    160,911,749.92x = 20,066,246,597,101,420
  5. Step 5: Solve for x
    x = 20,066,246,597,101,420/160,911,749.92
  6. Step 6: Final answer
    x = 124,703,426.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.