Home / 104,390,858.70-156,586,288.05-87,762,660.30

Finding the Fourth Proportional to 104,390,858.70, 156,586,288.05 and 87,762,660.30

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Solution

The fourth proportional to 104,390,858.70, 156,586,288.05 and 87,762,660.30 is: 131,643,990.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,390,858.70 : 156,586,288.05 = 87,762,660.30 : x
  2. Step 2: Convert to fraction form
    104,390,858.70/156,586,288.05 = 87,762,660.30/x
  3. Step 3: Cross multiply
    104,390,858.70x = 156,586,288.05 × 87,762,660.30
  4. Step 4: Simplify right side
    104,390,858.70x = 13,742,429,205,770,100
  5. Step 5: Solve for x
    x = 13,742,429,205,770,100/104,390,858.70
  6. Step 6: Final answer
    x = 131,643,990.45

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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.