Home / 143,796,761.10-215,695,141.65-97,880,258.70

Finding the Fourth Proportional to 143,796,761.10, 215,695,141.65 and 97,880,258.70

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Solution

The fourth proportional to 143,796,761.10, 215,695,141.65 and 97,880,258.70 is: 146,820,388.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,796,761.10 : 215,695,141.65 = 97,880,258.70 : x
  2. Step 2: Convert to fraction form
    143,796,761.10/215,695,141.65 = 97,880,258.70/x
  3. Step 3: Cross multiply
    143,796,761.10x = 215,695,141.65 × 97,880,258.70
  4. Step 4: Simplify right side
    143,796,761.10x = 21,112,296,265,035,148
  5. Step 5: Solve for x
    x = 21,112,296,265,035,148/143,796,761.10
  6. Step 6: Final answer
    x = 146,820,388.05

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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.