Home / 114,374,878.56-157,902,148.19-87,501,649.83

Finding the Fourth Proportional to 114,374,878.56, 157,902,148.19 and 87,501,649.83

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Solution

The fourth proportional to 114,374,878.56, 157,902,148.19 and 87,501,649.83 is: 120,801,863.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,374,878.56 : 157,902,148.19 = 87,501,649.83 : x
  2. Step 2: Convert to fraction form
    114,374,878.56/157,902,148.19 = 87,501,649.83/x
  3. Step 3: Cross multiply
    114,374,878.56x = 157,902,148.19 × 87,501,649.83
  4. Step 4: Simplify right side
    114,374,878.56x = 13,816,698,477,888,640
  5. Step 5: Solve for x
    x = 13,816,698,477,888,640/114,374,878.56
  6. Step 6: Final answer
    x = 120,801,863.59

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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.