Home / 124,119,762.80-171,285,264.55-71,939,065.69

Finding the Fourth Proportional to 124,119,762.80, 171,285,264.55 and 71,939,065.69

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Solution

The fourth proportional to 124,119,762.80, 171,285,264.55 and 71,939,065.69 is: 99,275,905.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,119,762.80 : 171,285,264.55 = 71,939,065.69 : x
  2. Step 2: Convert to fraction form
    124,119,762.80/171,285,264.55 = 71,939,065.69/x
  3. Step 3: Cross multiply
    124,119,762.80x = 171,285,264.55 × 71,939,065.69
  4. Step 4: Simplify right side
    124,119,762.80x = 12,322,101,897,609,216
  5. Step 5: Solve for x
    x = 12,322,101,897,609,216/124,119,762.80
  6. Step 6: Final answer
    x = 99,275,905.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.