Home / 135,991,085.80-187,662,223.46-74,110,095.72

Finding the Fourth Proportional to 135,991,085.80, 187,662,223.46 and 74,110,095.72

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Solution

The fourth proportional to 135,991,085.80, 187,662,223.46 and 74,110,095.72 is: 102,268,948.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,991,085.80 : 187,662,223.46 = 74,110,095.72 : x
  2. Step 2: Convert to fraction form
    135,991,085.80/187,662,223.46 = 74,110,095.72/x
  3. Step 3: Cross multiply
    135,991,085.80x = 187,662,223.46 × 74,110,095.72
  4. Step 4: Simplify right side
    135,991,085.80x = 13,907,665,343,648,630
  5. Step 5: Solve for x
    x = 13,907,665,343,648,630/135,991,085.80
  6. Step 6: Final answer
    x = 102,268,948.45

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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.