Home / 119,762,021.70-179,643,032.55-81,498,269.70

Finding the Fourth Proportional to 119,762,021.70, 179,643,032.55 and 81,498,269.70

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Solution

The fourth proportional to 119,762,021.70, 179,643,032.55 and 81,498,269.70 is: 122,247,404.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,762,021.70 : 179,643,032.55 = 81,498,269.70 : x
  2. Step 2: Convert to fraction form
    119,762,021.70/179,643,032.55 = 81,498,269.70/x
  3. Step 3: Cross multiply
    119,762,021.70x = 179,643,032.55 × 81,498,269.70
  4. Step 4: Simplify right side
    119,762,021.70x = 14,640,596,316,485,780
  5. Step 5: Solve for x
    x = 14,640,596,316,485,780/119,762,021.70
  6. Step 6: Final answer
    x = 122,247,404.55

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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.