Home / 163,459,824.56-245,190,639.72-40,638,142.16

Finding the Fourth Proportional to 163,459,824.56, 245,190,639.72 and 40,638,142.16

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Solution

The fourth proportional to 163,459,824.56, 245,190,639.72 and 40,638,142.16 is: 60,957,437.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,459,824.56 : 245,190,639.72 = 40,638,142.16 : x
  2. Step 2: Convert to fraction form
    163,459,824.56/245,190,639.72 = 40,638,142.16/x
  3. Step 3: Cross multiply
    163,459,824.56x = 245,190,639.72 × 40,638,142.16
  4. Step 4: Simplify right side
    163,459,824.56x = 9,964,092,073,242,702
  5. Step 5: Solve for x
    x = 9,964,092,073,242,702/163,459,824.56
  6. Step 6: Final answer
    x = 60,957,437.71

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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.