Home / 124,398,281.85-186,681,403.58-81,162,166.65

Finding the Fourth Proportional to 124,398,281.85, 186,681,403.58 and 81,162,166.65

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Solution

The fourth proportional to 124,398,281.85, 186,681,403.58 and 81,162,166.65 is: 121,798,042.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,398,281.85 : 186,681,403.58 = 81,162,166.65 : x
  2. Step 2: Convert to fraction form
    124,398,281.85/186,681,403.58 = 81,162,166.65/x
  3. Step 3: Cross multiply
    124,398,281.85x = 186,681,403.58 × 81,162,166.65
  4. Step 4: Simplify right side
    124,398,281.85x = 15,151,467,187,410,056
  5. Step 5: Solve for x
    x = 15,151,467,187,410,056/124,398,281.85
  6. Step 6: Final answer
    x = 121,798,042.24

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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.