Home / 97,862,643.80-146,793,965.70-65,614,016.60

Finding the Fourth Proportional to 97,862,643.80, 146,793,965.70 and 65,614,016.60

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Solution

The fourth proportional to 97,862,643.80, 146,793,965.70 and 65,614,016.60 is: 98,421,024.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,862,643.80 : 146,793,965.70 = 65,614,016.60 : x
  2. Step 2: Convert to fraction form
    97,862,643.80/146,793,965.70 = 65,614,016.60/x
  3. Step 3: Cross multiply
    97,862,643.80x = 146,793,965.70 × 65,614,016.60
  4. Step 4: Simplify right side
    97,862,643.80x = 9,631,741,702,219,630
  5. Step 5: Solve for x
    x = 9,631,741,702,219,630/97,862,643.80
  6. Step 6: Final answer
    x = 98,421,024.90

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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.