Home / 143,796,756.60-215,695,134.90-97,880,254.20

Finding the Fourth Proportional to 143,796,756.60, 215,695,134.90 and 97,880,254.20

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Solution

The fourth proportional to 143,796,756.60, 215,695,134.90 and 97,880,254.20 is: 146,820,381.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,796,756.60 : 215,695,134.90 = 97,880,254.20 : x
  2. Step 2: Convert to fraction form
    143,796,756.60/215,695,134.90 = 97,880,254.20/x
  3. Step 3: Cross multiply
    143,796,756.60x = 215,695,134.90 × 97,880,254.20
  4. Step 4: Simplify right side
    143,796,756.60x = 21,112,294,633,715,292
  5. Step 5: Solve for x
    x = 21,112,294,633,715,292/143,796,756.60
  6. Step 6: Final answer
    x = 146,820,381.30

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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.