Home / 100,271,438.60-150,407,159.72-66,184,812.86

Finding the Fourth Proportional to 100,271,438.60, 150,407,159.72 and 66,184,812.86

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Solution

The fourth proportional to 100,271,438.60, 150,407,159.72 and 66,184,812.86 is: 99,277,220.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,271,438.60 : 150,407,159.72 = 66,184,812.86 : x
  2. Step 2: Convert to fraction form
    100,271,438.60/150,407,159.72 = 66,184,812.86/x
  3. Step 3: Cross multiply
    100,271,438.60x = 150,407,159.72 × 66,184,812.86
  4. Step 4: Simplify right side
    100,271,438.60x = 9,954,669,717,789,370
  5. Step 5: Solve for x
    x = 9,954,669,717,789,370/100,271,438.60
  6. Step 6: Final answer
    x = 99,277,220.49

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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.