Home / 143,896,812.60-215,845,218.90-97,980,310.20

Finding the Fourth Proportional to 143,896,812.60, 215,845,218.90 and 97,980,310.20

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Solution

The fourth proportional to 143,896,812.60, 215,845,218.90 and 97,980,310.20 is: 146,970,465.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,896,812.60 : 215,845,218.90 = 97,980,310.20 : x
  2. Step 2: Convert to fraction form
    143,896,812.60/215,845,218.90 = 97,980,310.20/x
  3. Step 3: Cross multiply
    143,896,812.60x = 215,845,218.90 × 97,980,310.20
  4. Step 4: Simplify right side
    143,896,812.60x = 21,148,581,503,008,904
  5. Step 5: Solve for x
    x = 21,148,581,503,008,904/143,896,812.60
  6. Step 6: Final answer
    x = 146,970,465.30

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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.