Home / 65,207,981.55-97,811,972.33-39,698,813.55

Finding the Fourth Proportional to 65,207,981.55, 97,811,972.33 and 39,698,813.55

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Solution

The fourth proportional to 65,207,981.55, 97,811,972.33 and 39,698,813.55 is: 59,548,220.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,207,981.55 : 97,811,972.33 = 39,698,813.55 : x
  2. Step 2: Convert to fraction form
    65,207,981.55/97,811,972.33 = 39,698,813.55/x
  3. Step 3: Cross multiply
    65,207,981.55x = 97,811,972.33 × 39,698,813.55
  4. Step 4: Simplify right side
    65,207,981.55x = 3,883,019,252,287,935
  5. Step 5: Solve for x
    x = 3,883,019,252,287,935/65,207,981.55
  6. Step 6: Final answer
    x = 59,548,220.33

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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.