Home / 152,953,231.20-211,072,791.60-83,339,187.36

Finding the Fourth Proportional to 152,953,231.20, 211,072,791.60 and 83,339,187.36

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Solution

The fourth proportional to 152,953,231.20, 211,072,791.60 and 83,339,187.36 is: 115,006,625.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,953,231.20 : 211,072,791.60 = 83,339,187.36 : x
  2. Step 2: Convert to fraction form
    152,953,231.20/211,072,791.60 = 83,339,187.36/x
  3. Step 3: Cross multiply
    152,953,231.20x = 211,072,791.60 × 83,339,187.36
  4. Step 4: Simplify right side
    152,953,231.20x = 17,590,634,925,750,634
  5. Step 5: Solve for x
    x = 17,590,634,925,750,634/152,953,231.20
  6. Step 6: Final answer
    x = 115,006,625.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.