Home / 144,829,003.60-217,495,447.80-76,804,555.60

Finding the Fourth Proportional to 144,829,003.60, 217,495,447.80 and 76,804,555.60

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Solution

The fourth proportional to 144,829,003.60, 217,495,447.80 and 76,804,555.60 is: 115,340,441.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,829,003.60 : 217,495,447.80 = 76,804,555.60 : x
  2. Step 2: Convert to fraction form
    144,829,003.60/217,495,447.80 = 76,804,555.60/x
  3. Step 3: Cross multiply
    144,829,003.60x = 217,495,447.80 × 76,804,555.60
  4. Step 4: Simplify right side
    144,829,003.60x = 16,704,641,213,301,998
  5. Step 5: Solve for x
    x = 16,704,641,213,301,998/144,829,003.60
  6. Step 6: Final answer
    x = 115,340,441.47

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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.