Home / 126,698,264.07-190,119,289.28-68,405,165.79

Finding the Fourth Proportional to 126,698,264.07, 190,119,289.28 and 68,405,165.79

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Solution

The fourth proportional to 126,698,264.07, 190,119,289.28 and 68,405,165.79 is: 102,646,564.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,698,264.07 : 190,119,289.28 = 68,405,165.79 : x
  2. Step 2: Convert to fraction form
    126,698,264.07/190,119,289.28 = 68,405,165.79/x
  3. Step 3: Cross multiply
    126,698,264.07x = 190,119,289.28 × 68,405,165.79
  4. Step 4: Simplify right side
    126,698,264.07x = 13,005,141,502,733,346
  5. Step 5: Solve for x
    x = 13,005,141,502,733,346/126,698,264.07
  6. Step 6: Final answer
    x = 102,646,564.25

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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.