Home / 144,648,017.20-216,972,025.80-48,909,905.20

Finding the Fourth Proportional to 144,648,017.20, 216,972,025.80 and 48,909,905.20

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Solution

The fourth proportional to 144,648,017.20, 216,972,025.80 and 48,909,905.20 is: 73,364,857.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,648,017.20 : 216,972,025.80 = 48,909,905.20 : x
  2. Step 2: Convert to fraction form
    144,648,017.20/216,972,025.80 = 48,909,905.20/x
  3. Step 3: Cross multiply
    144,648,017.20x = 216,972,025.80 × 48,909,905.20
  4. Step 4: Simplify right side
    144,648,017.20x = 10,612,081,212,929,956
  5. Step 5: Solve for x
    x = 10,612,081,212,929,956/144,648,017.20
  6. Step 6: Final answer
    x = 73,364,857.80

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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.