Home / 133,385,619-184,072,154.22-72,338,835

Finding the Fourth Proportional to 133,385,619, 184,072,154.22 and 72,338,835

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Solution

The fourth proportional to 133,385,619, 184,072,154.22 and 72,338,835 is: 99,827,592.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,385,619 : 184,072,154.22 = 72,338,835 : x
  2. Step 2: Convert to fraction form
    133,385,619/184,072,154.22 = 72,338,835/x
  3. Step 3: Cross multiply
    133,385,619x = 184,072,154.22 × 72,338,835
  4. Step 4: Simplify right side
    133,385,619x = 13,315,565,192,215,134
  5. Step 5: Solve for x
    x = 13,315,565,192,215,134/133,385,619
  6. Step 6: Final answer
    x = 99,827,592.30

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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.