Home / 124,556,680.20-186,835,020.30-83,742,011.40

Finding the Fourth Proportional to 124,556,680.20, 186,835,020.30 and 83,742,011.40

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Solution

The fourth proportional to 124,556,680.20, 186,835,020.30 and 83,742,011.40 is: 125,613,017.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,556,680.20 : 186,835,020.30 = 83,742,011.40 : x
  2. Step 2: Convert to fraction form
    124,556,680.20/186,835,020.30 = 83,742,011.40/x
  3. Step 3: Cross multiply
    124,556,680.20x = 186,835,020.30 × 83,742,011.40
  4. Step 4: Simplify right side
    124,556,680.20x = 15,645,940,399,881,834
  5. Step 5: Solve for x
    x = 15,645,940,399,881,834/124,556,680.20
  6. Step 6: Final answer
    x = 125,613,017.10

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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.