Home / 84,011,706.40-125,765,617.20-49,915,501.60

Finding the Fourth Proportional to 84,011,706.40, 125,765,617.20 and 49,915,501.60

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Solution

The fourth proportional to 84,011,706.40, 125,765,617.20 and 49,915,501.60 is: 74,723,560.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,011,706.40 : 125,765,617.20 = 49,915,501.60 : x
  2. Step 2: Convert to fraction form
    84,011,706.40/125,765,617.20 = 49,915,501.60/x
  3. Step 3: Cross multiply
    84,011,706.40x = 125,765,617.20 × 49,915,501.60
  4. Step 4: Simplify right side
    84,011,706.40x = 6,277,653,866,571,588
  5. Step 5: Solve for x
    x = 6,277,653,866,571,588/84,011,706.40
  6. Step 6: Final answer
    x = 74,723,560.98

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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.