Home / 104,390,859.70-156,586,289.55-87,762,661.30

Finding the Fourth Proportional to 104,390,859.70, 156,586,289.55 and 87,762,661.30

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Solution

The fourth proportional to 104,390,859.70, 156,586,289.55 and 87,762,661.30 is: 131,643,991.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,390,859.70 : 156,586,289.55 = 87,762,661.30 : x
  2. Step 2: Convert to fraction form
    104,390,859.70/156,586,289.55 = 87,762,661.30/x
  3. Step 3: Cross multiply
    104,390,859.70x = 156,586,289.55 × 87,762,661.30
  4. Step 4: Simplify right side
    104,390,859.70x = 13,742,429,494,000,380
  5. Step 5: Solve for x
    x = 13,742,429,494,000,380/104,390,859.70
  6. Step 6: Final answer
    x = 131,643,991.95

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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.