Home / 104,943,254.13-156,337,831.89-100,221,584.31

Finding the Fourth Proportional to 104,943,254.13, 156,337,831.89 and 100,221,584.31

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Solution

The fourth proportional to 104,943,254.13, 156,337,831.89 and 100,221,584.31 is: 149,303,786.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,943,254.13 : 156,337,831.89 = 100,221,584.31 : x
  2. Step 2: Convert to fraction form
    104,943,254.13/156,337,831.89 = 100,221,584.31/x
  3. Step 3: Cross multiply
    104,943,254.13x = 156,337,831.89 × 100,221,584.31
  4. Step 4: Simplify right side
    104,943,254.13x = 15,668,425,199,606,240
  5. Step 5: Solve for x
    x = 15,668,425,199,606,240/104,943,254.13
  6. Step 6: Final answer
    x = 149,303,786.41

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.