Home / 97,830,003.80-146,745,005.70-65,581,376.60

Finding the Fourth Proportional to 97,830,003.80, 146,745,005.70 and 65,581,376.60

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Solution

The fourth proportional to 97,830,003.80, 146,745,005.70 and 65,581,376.60 is: 98,372,064.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,830,003.80 : 146,745,005.70 = 65,581,376.60 : x
  2. Step 2: Convert to fraction form
    97,830,003.80/146,745,005.70 = 65,581,376.60/x
  3. Step 3: Cross multiply
    97,830,003.80x = 146,745,005.70 × 65,581,376.60
  4. Step 4: Simplify right side
    97,830,003.80x = 9,623,739,482,980,846
  5. Step 5: Solve for x
    x = 9,623,739,482,980,846/97,830,003.80
  6. Step 6: Final answer
    x = 98,372,064.90

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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.