Home / 114,956,999.40-172,435,499.10-74,142,330.60

Finding the Fourth Proportional to 114,956,999.40, 172,435,499.10 and 74,142,330.60

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Solution

The fourth proportional to 114,956,999.40, 172,435,499.10 and 74,142,330.60 is: 111,213,495.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,956,999.40 : 172,435,499.10 = 74,142,330.60 : x
  2. Step 2: Convert to fraction form
    114,956,999.40/172,435,499.10 = 74,142,330.60/x
  3. Step 3: Cross multiply
    114,956,999.40x = 172,435,499.10 × 74,142,330.60
  4. Step 4: Simplify right side
    114,956,999.40x = 12,784,769,781,448,200
  5. Step 5: Solve for x
    x = 12,784,769,781,448,200/114,956,999.40
  6. Step 6: Final answer
    x = 111,213,495.90

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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.