Home / 86,214,982.20-129,341,135.70-25,636,831.80

Finding the Fourth Proportional to 86,214,982.20, 129,341,135.70 and 25,636,831.80

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Solution

The fourth proportional to 86,214,982.20, 129,341,135.70 and 25,636,831.80 is: 38,460,797.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,214,982.20 : 129,341,135.70 = 25,636,831.80 : x
  2. Step 2: Convert to fraction form
    86,214,982.20/129,341,135.70 = 25,636,831.80/x
  3. Step 3: Cross multiply
    86,214,982.20x = 129,341,135.70 × 25,636,831.80
  4. Step 4: Simplify right side
    86,214,982.20x = 3,315,896,940,761,875.50
  5. Step 5: Solve for x
    x = 3,315,896,940,761,875.50/86,214,982.20
  6. Step 6: Final answer
    x = 38,460,797.14

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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.