Home / 124,556,672.70-186,835,009.05-83,742,003.90

Finding the Fourth Proportional to 124,556,672.70, 186,835,009.05 and 83,742,003.90

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Solution

The fourth proportional to 124,556,672.70, 186,835,009.05 and 83,742,003.90 is: 125,613,005.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,556,672.70 : 186,835,009.05 = 83,742,003.90 : x
  2. Step 2: Convert to fraction form
    124,556,672.70/186,835,009.05 = 83,742,003.90/x
  3. Step 3: Cross multiply
    124,556,672.70x = 186,835,009.05 × 83,742,003.90
  4. Step 4: Simplify right side
    124,556,672.70x = 15,645,938,056,521,638
  5. Step 5: Solve for x
    x = 15,645,938,056,521,638/124,556,672.70
  6. Step 6: Final answer
    x = 125,613,005.85

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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.