Home / 144,706,917.40-217,060,376.10-83,484,914.20

Finding the Fourth Proportional to 144,706,917.40, 217,060,376.10 and 83,484,914.20

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Solution

The fourth proportional to 144,706,917.40, 217,060,376.10 and 83,484,914.20 is: 125,227,371.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,706,917.40 : 217,060,376.10 = 83,484,914.20 : x
  2. Step 2: Convert to fraction form
    144,706,917.40/217,060,376.10 = 83,484,914.20/x
  3. Step 3: Cross multiply
    144,706,917.40x = 217,060,376.10 × 83,484,914.20
  4. Step 4: Simplify right side
    144,706,917.40x = 18,121,266,874,928,232
  5. Step 5: Solve for x
    x = 18,121,266,874,928,232/144,706,917.40
  6. Step 6: Final answer
    x = 125,227,371.30

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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.