Home / 67,035,670.21-100,552,862.80-39,722,301.91

Finding the Fourth Proportional to 67,035,670.21, 100,552,862.80 and 39,722,301.91

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Solution

The fourth proportional to 67,035,670.21, 100,552,862.80 and 39,722,301.91 is: 59,583,072.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,035,670.21 : 100,552,862.80 = 39,722,301.91 : x
  2. Step 2: Convert to fraction form
    67,035,670.21/100,552,862.80 = 39,722,301.91/x
  3. Step 3: Cross multiply
    67,035,670.21x = 100,552,862.80 × 39,722,301.91
  4. Step 4: Simplify right side
    67,035,670.21x = 3,994,191,173,355,032.50
  5. Step 5: Solve for x
    x = 3,994,191,173,355,032.50/67,035,670.21
  6. Step 6: Final answer
    x = 59,583,072.13

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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.