Home / 130,440,299.82-180,009,849.83-71,705,440.50

Finding the Fourth Proportional to 130,440,299.82, 180,009,849.83 and 71,705,440.50

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Solution

The fourth proportional to 130,440,299.82, 180,009,849.83 and 71,705,440.50 is: 98,954,737.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,440,299.82 : 180,009,849.83 = 71,705,440.50 : x
  2. Step 2: Convert to fraction form
    130,440,299.82/180,009,849.83 = 71,705,440.50/x
  3. Step 3: Cross multiply
    130,440,299.82x = 180,009,849.83 × 71,705,440.50
  4. Step 4: Simplify right side
    130,440,299.82x = 12,907,685,576,399,002
  5. Step 5: Solve for x
    x = 12,907,685,576,399,002/130,440,299.82
  6. Step 6: Final answer
    x = 98,954,737.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.