Home / 133,385,619.50-184,072,154.91-72,338,835.50

Finding the Fourth Proportional to 133,385,619.50, 184,072,154.91 and 72,338,835.50

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Solution

The fourth proportional to 133,385,619.50, 184,072,154.91 and 72,338,835.50 is: 99,827,592.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,385,619.50 : 184,072,154.91 = 72,338,835.50 : x
  2. Step 2: Convert to fraction form
    133,385,619.50/184,072,154.91 = 72,338,835.50/x
  3. Step 3: Cross multiply
    133,385,619.50x = 184,072,154.91 × 72,338,835.50
  4. Step 4: Simplify right side
    133,385,619.50x = 13,315,565,334,165,008
  5. Step 5: Solve for x
    x = 13,315,565,334,165,008/133,385,619.50
  6. Step 6: Final answer
    x = 99,827,592.99

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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.