Home / 155,020,791.60-232,531,187.40-77,536,693.80

Finding the Fourth Proportional to 155,020,791.60, 232,531,187.40 and 77,536,693.80

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Solution

The fourth proportional to 155,020,791.60, 232,531,187.40 and 77,536,693.80 is: 116,305,040.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,020,791.60 : 232,531,187.40 = 77,536,693.80 : x
  2. Step 2: Convert to fraction form
    155,020,791.60/232,531,187.40 = 77,536,693.80/x
  3. Step 3: Cross multiply
    155,020,791.60x = 232,531,187.40 × 77,536,693.80
  4. Step 4: Simplify right side
    155,020,791.60x = 18,029,699,476,384,216
  5. Step 5: Solve for x
    x = 18,029,699,476,384,216/155,020,791.60
  6. Step 6: Final answer
    x = 116,305,040.70

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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.