Home / 145,163,403.40-217,745,105.10-96,790,462.60

Finding the Fourth Proportional to 145,163,403.40, 217,745,105.10 and 96,790,462.60

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Solution

The fourth proportional to 145,163,403.40, 217,745,105.10 and 96,790,462.60 is: 145,185,693.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,163,403.40 : 217,745,105.10 = 96,790,462.60 : x
  2. Step 2: Convert to fraction form
    145,163,403.40/217,745,105.10 = 96,790,462.60/x
  3. Step 3: Cross multiply
    145,163,403.40x = 217,745,105.10 × 96,790,462.60
  4. Step 4: Simplify right side
    145,163,403.40x = 21,075,649,451,514,616
  5. Step 5: Solve for x
    x = 21,075,649,451,514,616/145,163,403.40
  6. Step 6: Final answer
    x = 145,185,693.90

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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.