Home / 136,046,866.13-187,742,882.32-76,508,144.58

Finding the Fourth Proportional to 136,046,866.13, 187,742,882.32 and 76,508,144.58

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Solution

The fourth proportional to 136,046,866.13, 187,742,882.32 and 76,508,144.58 is: 105,580,231.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,046,866.13 : 187,742,882.32 = 76,508,144.58 : x
  2. Step 2: Convert to fraction form
    136,046,866.13/187,742,882.32 = 76,508,144.58/x
  3. Step 3: Cross multiply
    136,046,866.13x = 187,742,882.32 × 76,508,144.58
  4. Step 4: Simplify right side
    136,046,866.13x = 14,363,859,584,404,484
  5. Step 5: Solve for x
    x = 14,363,859,584,404,484/136,046,866.13
  6. Step 6: Final answer
    x = 105,580,231.23

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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.