Home / 65,207,825.80-97,811,738.70-39,698,657.80

Finding the Fourth Proportional to 65,207,825.80, 97,811,738.70 and 39,698,657.80

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Solution

The fourth proportional to 65,207,825.80, 97,811,738.70 and 39,698,657.80 is: 59,547,986.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,207,825.80 : 97,811,738.70 = 39,698,657.80 : x
  2. Step 2: Convert to fraction form
    65,207,825.80/97,811,738.70 = 39,698,657.80/x
  3. Step 3: Cross multiply
    65,207,825.80x = 97,811,738.70 × 39,698,657.80
  4. Step 4: Simplify right side
    65,207,825.80x = 3,882,994,743,474,316.50
  5. Step 5: Solve for x
    x = 3,882,994,743,474,316.50/65,207,825.80
  6. Step 6: Final answer
    x = 59,547,986.70

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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.