Home / 97,891,808.40-146,837,712.60-81,966,560.40

Finding the Fourth Proportional to 97,891,808.40, 146,837,712.60 and 81,966,560.40

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Solution

The fourth proportional to 97,891,808.40, 146,837,712.60 and 81,966,560.40 is: 122,949,840.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,891,808.40 : 146,837,712.60 = 81,966,560.40 : x
  2. Step 2: Convert to fraction form
    97,891,808.40/146,837,712.60 = 81,966,560.40/x
  3. Step 3: Cross multiply
    97,891,808.40x = 146,837,712.60 × 81,966,560.40
  4. Step 4: Simplify right side
    97,891,808.40x = 12,035,782,238,825,742
  5. Step 5: Solve for x
    x = 12,035,782,238,825,742/97,891,808.40
  6. Step 6: Final answer
    x = 122,949,840.60

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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.