Home / 124,575,739.80-186,830,432.10-38,313,979.80

Finding the Fourth Proportional to 124,575,739.80, 186,830,432.10 and 38,313,979.80

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Solution

The fourth proportional to 124,575,739.80, 186,830,432.10 and 38,313,979.80 is: 57,460,765.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,575,739.80 : 186,830,432.10 = 38,313,979.80 : x
  2. Step 2: Convert to fraction form
    124,575,739.80/186,830,432.10 = 38,313,979.80/x
  3. Step 3: Cross multiply
    124,575,739.80x = 186,830,432.10 × 38,313,979.80
  4. Step 4: Simplify right side
    124,575,739.80x = 7,158,217,401,504,671
  5. Step 5: Solve for x
    x = 7,158,217,401,504,671/124,575,739.80
  6. Step 6: Final answer
    x = 57,460,765.74

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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.