Home / 143,796,759.60-215,695,139.40-97,880,257.20

Finding the Fourth Proportional to 143,796,759.60, 215,695,139.40 and 97,880,257.20

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Solution

The fourth proportional to 143,796,759.60, 215,695,139.40 and 97,880,257.20 is: 146,820,385.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,796,759.60 : 215,695,139.40 = 97,880,257.20 : x
  2. Step 2: Convert to fraction form
    143,796,759.60/215,695,139.40 = 97,880,257.20/x
  3. Step 3: Cross multiply
    143,796,759.60x = 215,695,139.40 × 97,880,257.20
  4. Step 4: Simplify right side
    143,796,759.60x = 21,112,295,721,261,856
  5. Step 5: Solve for x
    x = 21,112,295,721,261,856/143,796,759.60
  6. Step 6: Final answer
    x = 146,820,385.80

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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.