Home / 144,648,015.70-216,972,023.55-48,909,903.70

Finding the Fourth Proportional to 144,648,015.70, 216,972,023.55 and 48,909,903.70

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Solution

The fourth proportional to 144,648,015.70, 216,972,023.55 and 48,909,903.70 is: 73,364,855.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,648,015.70 : 216,972,023.55 = 48,909,903.70 : x
  2. Step 2: Convert to fraction form
    144,648,015.70/216,972,023.55 = 48,909,903.70/x
  3. Step 3: Cross multiply
    144,648,015.70x = 216,972,023.55 × 48,909,903.70
  4. Step 4: Simplify right side
    144,648,015.70x = 10,612,080,777,424,634
  5. Step 5: Solve for x
    x = 10,612,080,777,424,634/144,648,015.70
  6. Step 6: Final answer
    x = 73,364,855.55

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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.