Home / 147,609,643.40-221,540,436.30-65,854,334.60

Finding the Fourth Proportional to 147,609,643.40, 221,540,436.30 and 65,854,334.60

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Solution

The fourth proportional to 147,609,643.40, 221,540,436.30 and 65,854,334.60 is: 98,837,702.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,609,643.40 : 221,540,436.30 = 65,854,334.60 : x
  2. Step 2: Convert to fraction form
    147,609,643.40/221,540,436.30 = 65,854,334.60/x
  3. Step 3: Cross multiply
    147,609,643.40x = 221,540,436.30 × 65,854,334.60
  4. Step 4: Simplify right side
    147,609,643.40x = 14,589,398,019,530,188
  5. Step 5: Solve for x
    x = 14,589,398,019,530,188/147,609,643.40
  6. Step 6: Final answer
    x = 98,837,702.49

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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.