Home / 145,220,808.70-217,831,213.05-127,304,904.70

Finding the Fourth Proportional to 145,220,808.70, 217,831,213.05 and 127,304,904.70

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Solution

The fourth proportional to 145,220,808.70, 217,831,213.05 and 127,304,904.70 is: 190,957,357.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,220,808.70 : 217,831,213.05 = 127,304,904.70 : x
  2. Step 2: Convert to fraction form
    145,220,808.70/217,831,213.05 = 127,304,904.70/x
  3. Step 3: Cross multiply
    145,220,808.70x = 217,831,213.05 × 127,304,904.70
  4. Step 4: Simplify right side
    145,220,808.70x = 27,730,981,818,015,648
  5. Step 5: Solve for x
    x = 27,730,981,818,015,648/145,220,808.70
  6. Step 6: Final answer
    x = 190,957,357.05

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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.