Home / 124,829,940.60-187,244,910.90-76,456,999.80

Finding the Fourth Proportional to 124,829,940.60, 187,244,910.90 and 76,456,999.80

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Solution

The fourth proportional to 124,829,940.60, 187,244,910.90 and 76,456,999.80 is: 114,685,499.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,829,940.60 : 187,244,910.90 = 76,456,999.80 : x
  2. Step 2: Convert to fraction form
    124,829,940.60/187,244,910.90 = 76,456,999.80/x
  3. Step 3: Cross multiply
    124,829,940.60x = 187,244,910.90 × 76,456,999.80
  4. Step 4: Simplify right side
    124,829,940.60x = 14,316,184,115,232,318
  5. Step 5: Solve for x
    x = 14,316,184,115,232,318/124,829,940.60
  6. Step 6: Final answer
    x = 114,685,499.70

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1.5x scale

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.