Home / 144,828,384.40-217,242,576.60-83,606,381.20

Finding the Fourth Proportional to 144,828,384.40, 217,242,576.60 and 83,606,381.20

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Solution

The fourth proportional to 144,828,384.40, 217,242,576.60 and 83,606,381.20 is: 125,409,571.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,828,384.40 : 217,242,576.60 = 83,606,381.20 : x
  2. Step 2: Convert to fraction form
    144,828,384.40/217,242,576.60 = 83,606,381.20/x
  3. Step 3: Cross multiply
    144,828,384.40x = 217,242,576.60 × 83,606,381.20
  4. Step 4: Simplify right side
    144,828,384.40x = 18,162,865,672,089,800
  5. Step 5: Solve for x
    x = 18,162,865,672,089,800/144,828,384.40
  6. Step 6: Final answer
    x = 125,409,571.80

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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.