Home / 98,419,485.80-147,629,228.70-25,636,125.80

Finding the Fourth Proportional to 98,419,485.80, 147,629,228.70 and 25,636,125.80

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Solution

The fourth proportional to 98,419,485.80, 147,629,228.70 and 25,636,125.80 is: 38,454,188.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,419,485.80 : 147,629,228.70 = 25,636,125.80 : x
  2. Step 2: Convert to fraction form
    98,419,485.80/147,629,228.70 = 25,636,125.80/x
  3. Step 3: Cross multiply
    98,419,485.80x = 147,629,228.70 × 25,636,125.80
  4. Step 4: Simplify right side
    98,419,485.80x = 3,784,641,478,710,170.50
  5. Step 5: Solve for x
    x = 3,784,641,478,710,170.50/98,419,485.80
  6. Step 6: Final answer
    x = 38,454,188.70

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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.