Home / 109,359,336.69-150,844,780.31-70,138,990.89

Finding the Fourth Proportional to 109,359,336.69, 150,844,780.31 and 70,138,990.89

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Solution

The fourth proportional to 109,359,336.69, 150,844,780.31 and 70,138,990.89 is: 96,746,203.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,359,336.69 : 150,844,780.31 = 70,138,990.89 : x
  2. Step 2: Convert to fraction form
    109,359,336.69/150,844,780.31 = 70,138,990.89/x
  3. Step 3: Cross multiply
    109,359,336.69x = 150,844,780.31 × 70,138,990.89
  4. Step 4: Simplify right side
    109,359,336.69x = 10,580,100,671,616,448
  5. Step 5: Solve for x
    x = 10,580,100,671,616,448/109,359,336.69
  6. Step 6: Final answer
    x = 96,746,203.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.