Home / 119,762,023.20-179,643,034.80-81,498,271.20

Finding the Fourth Proportional to 119,762,023.20, 179,643,034.80 and 81,498,271.20

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Solution

The fourth proportional to 119,762,023.20, 179,643,034.80 and 81,498,271.20 is: 122,247,406.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,762,023.20 : 179,643,034.80 = 81,498,271.20 : x
  2. Step 2: Convert to fraction form
    119,762,023.20/179,643,034.80 = 81,498,271.20/x
  3. Step 3: Cross multiply
    119,762,023.20x = 179,643,034.80 × 81,498,271.20
  4. Step 4: Simplify right side
    119,762,023.20x = 14,640,596,769,321,440
  5. Step 5: Solve for x
    x = 14,640,596,769,321,440/119,762,023.20
  6. Step 6: Final answer
    x = 122,247,406.80

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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.