Home / 70,074,243.20-105,092,702.40-21,552,003.20

Finding the Fourth Proportional to 70,074,243.20, 105,092,702.40 and 21,552,003.20

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Solution

The fourth proportional to 70,074,243.20, 105,092,702.40 and 21,552,003.20 is: 32,322,265.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,074,243.20 : 105,092,702.40 = 21,552,003.20 : x
  2. Step 2: Convert to fraction form
    70,074,243.20/105,092,702.40 = 21,552,003.20/x
  3. Step 3: Cross multiply
    70,074,243.20x = 105,092,702.40 × 21,552,003.20
  4. Step 4: Simplify right side
    70,074,243.20x = 2,264,958,258,421,447.50
  5. Step 5: Solve for x
    x = 2,264,958,258,421,447.50/70,074,243.20
  6. Step 6: Final answer
    x = 32,322,265.00

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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.