Home / 144,955,165.10-217,291,030.05-129,649,664.30

Finding the Fourth Proportional to 144,955,165.10, 217,291,030.05 and 129,649,664.30

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Solution

The fourth proportional to 144,955,165.10, 217,291,030.05 and 129,649,664.30 is: 194,347,742.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,955,165.10 : 217,291,030.05 = 129,649,664.30 : x
  2. Step 2: Convert to fraction form
    144,955,165.10/217,291,030.05 = 129,649,664.30/x
  3. Step 3: Cross multiply
    144,955,165.10x = 217,291,030.05 × 129,649,664.30
  4. Step 4: Simplify right side
    144,955,165.10x = 28,171,709,101,383,712
  5. Step 5: Solve for x
    x = 28,171,709,101,383,712/144,955,165.10
  6. Step 6: Final answer
    x = 194,347,742.50

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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.