Home / 105,984,006.40-158,976,009.60-30,339,078.40

Finding the Fourth Proportional to 105,984,006.40, 158,976,009.60 and 30,339,078.40

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Solution

The fourth proportional to 105,984,006.40, 158,976,009.60 and 30,339,078.40 is: 45,508,617.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,984,006.40 : 158,976,009.60 = 30,339,078.40 : x
  2. Step 2: Convert to fraction form
    105,984,006.40/158,976,009.60 = 30,339,078.40/x
  3. Step 3: Cross multiply
    105,984,006.40x = 158,976,009.60 × 30,339,078.40
  4. Step 4: Simplify right side
    105,984,006.40x = 4,823,185,618,973,552
  5. Step 5: Solve for x
    x = 4,823,185,618,973,552/105,984,006.40
  6. Step 6: Final answer
    x = 45,508,617.60

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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.