Home / 106,290,032.20-159,435,048.30-80,591,907.40

Finding the Fourth Proportional to 106,290,032.20, 159,435,048.30 and 80,591,907.40

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Solution

The fourth proportional to 106,290,032.20, 159,435,048.30 and 80,591,907.40 is: 120,887,861.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,290,032.20 : 159,435,048.30 = 80,591,907.40 : x
  2. Step 2: Convert to fraction form
    106,290,032.20/159,435,048.30 = 80,591,907.40/x
  3. Step 3: Cross multiply
    106,290,032.20x = 159,435,048.30 × 80,591,907.40
  4. Step 4: Simplify right side
    106,290,032.20x = 12,849,174,648,908,130
  5. Step 5: Solve for x
    x = 12,849,174,648,908,130/106,290,032.20
  6. Step 6: Final answer
    x = 120,887,861.10

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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.