Home / 144,829,007.60-217,495,453.80-76,804,559.60

Finding the Fourth Proportional to 144,829,007.60, 217,495,453.80 and 76,804,559.60

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Solution

The fourth proportional to 144,829,007.60, 217,495,453.80 and 76,804,559.60 is: 115,340,447.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,829,007.60 : 217,495,453.80 = 76,804,559.60 : x
  2. Step 2: Convert to fraction form
    144,829,007.60/217,495,453.80 = 76,804,559.60/x
  3. Step 3: Cross multiply
    144,829,007.60x = 217,495,453.80 × 76,804,559.60
  4. Step 4: Simplify right side
    144,829,007.60x = 16,704,642,544,111,146
  5. Step 5: Solve for x
    x = 16,704,642,544,111,146/144,829,007.60
  6. Step 6: Final answer
    x = 115,340,447.48

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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.