Home / 124,404,964.24-171,657,590.16-72,182,028.64

Finding the Fourth Proportional to 124,404,964.24, 171,657,590.16 and 72,182,028.64

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Solution

The fourth proportional to 124,404,964.24, 171,657,590.16 and 72,182,028.64 is: 99,598,863.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,404,964.24 : 171,657,590.16 = 72,182,028.64 : x
  2. Step 2: Convert to fraction form
    124,404,964.24/171,657,590.16 = 72,182,028.64/x
  3. Step 3: Cross multiply
    124,404,964.24x = 171,657,590.16 × 72,182,028.64
  4. Step 4: Simplify right side
    124,404,964.24x = 12,390,593,089,202,502
  5. Step 5: Solve for x
    x = 12,390,593,089,202,502/124,404,964.24
  6. Step 6: Final answer
    x = 99,598,863.80

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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.