Home / 124,829,951.60-187,244,927.40-76,457,010.80

Finding the Fourth Proportional to 124,829,951.60, 187,244,927.40 and 76,457,010.80

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Solution

The fourth proportional to 124,829,951.60, 187,244,927.40 and 76,457,010.80 is: 114,685,516.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,829,951.60 : 187,244,927.40 = 76,457,010.80 : x
  2. Step 2: Convert to fraction form
    124,829,951.60/187,244,927.40 = 76,457,010.80/x
  3. Step 3: Cross multiply
    124,829,951.60x = 187,244,927.40 × 76,457,010.80
  4. Step 4: Simplify right side
    124,829,951.60x = 14,316,187,436,467,016
  5. Step 5: Solve for x
    x = 14,316,187,436,467,016/124,829,951.60
  6. Step 6: Final answer
    x = 114,685,516.20

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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.