Home / 114,374,871.40-157,902,138.31-87,501,642.68

Finding the Fourth Proportional to 114,374,871.40, 157,902,138.31 and 87,501,642.68

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Solution

The fourth proportional to 114,374,871.40, 157,902,138.31 and 87,501,642.68 is: 120,801,853.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,374,871.40 : 157,902,138.31 = 87,501,642.68 : x
  2. Step 2: Convert to fraction form
    114,374,871.40/157,902,138.31 = 87,501,642.68/x
  3. Step 3: Cross multiply
    114,374,871.40x = 157,902,138.31 × 87,501,642.68
  4. Step 4: Simplify right side
    114,374,871.40x = 13,816,696,483,582,540
  5. Step 5: Solve for x
    x = 13,816,696,483,582,540/114,374,871.40
  6. Step 6: Final answer
    x = 120,801,853.72

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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.