Home / 74,726,521.20-112,089,781.80-66,223,465.20

Finding the Fourth Proportional to 74,726,521.20, 112,089,781.80 and 66,223,465.20

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Solution

The fourth proportional to 74,726,521.20, 112,089,781.80 and 66,223,465.20 is: 99,335,197.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,726,521.20 : 112,089,781.80 = 66,223,465.20 : x
  2. Step 2: Convert to fraction form
    74,726,521.20/112,089,781.80 = 66,223,465.20/x
  3. Step 3: Cross multiply
    74,726,521.20x = 112,089,781.80 × 66,223,465.20
  4. Step 4: Simplify right side
    74,726,521.20x = 7,422,973,764,307,893
  5. Step 5: Solve for x
    x = 7,422,973,764,307,893/74,726,521.20
  6. Step 6: Final answer
    x = 99,335,197.80

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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.