Home / 124,525,620.30-171,861,207.40-72,304,259.34

Finding the Fourth Proportional to 124,525,620.30, 171,861,207.40 and 72,304,259.34

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Solution

The fourth proportional to 124,525,620.30, 171,861,207.40 and 72,304,259.34 is: 99,789,081.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,525,620.30 : 171,861,207.40 = 72,304,259.34 : x
  2. Step 2: Convert to fraction form
    124,525,620.30/171,861,207.40 = 72,304,259.34/x
  3. Step 3: Cross multiply
    124,525,620.30x = 171,861,207.40 × 72,304,259.34
  4. Step 4: Simplify right side
    124,525,620.30x = 12,426,297,310,335,128
  5. Step 5: Solve for x
    x = 12,426,297,310,335,128/124,525,620.30
  6. Step 6: Final answer
    x = 99,789,081.80

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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.