Home / 144,378,765.60-216,580,913.52-40,748,894.88

Finding the Fourth Proportional to 144,378,765.60, 216,580,913.52 and 40,748,894.88

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Solution

The fourth proportional to 144,378,765.60, 216,580,913.52 and 40,748,894.88 is: 61,126,945.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,378,765.60 : 216,580,913.52 = 40,748,894.88 : x
  2. Step 2: Convert to fraction form
    144,378,765.60/216,580,913.52 = 40,748,894.88/x
  3. Step 3: Cross multiply
    144,378,765.60x = 216,580,913.52 × 40,748,894.88
  4. Step 4: Simplify right side
    144,378,765.60x = 8,825,432,878,040,852
  5. Step 5: Solve for x
    x = 8,825,432,878,040,852/144,378,765.60
  6. Step 6: Final answer
    x = 61,126,945.10

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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.