Home / 124,556,673.20-186,835,009.80-83,742,004.40

Finding the Fourth Proportional to 124,556,673.20, 186,835,009.80 and 83,742,004.40

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Solution

The fourth proportional to 124,556,673.20, 186,835,009.80 and 83,742,004.40 is: 125,613,006.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,556,673.20 : 186,835,009.80 = 83,742,004.40 : x
  2. Step 2: Convert to fraction form
    124,556,673.20/186,835,009.80 = 83,742,004.40/x
  3. Step 3: Cross multiply
    124,556,673.20x = 186,835,009.80 × 83,742,004.40
  4. Step 4: Simplify right side
    124,556,673.20x = 15,645,938,212,745,646
  5. Step 5: Solve for x
    x = 15,645,938,212,745,646/124,556,673.20
  6. Step 6: Final answer
    x = 125,613,006.60

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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.