Home / 163,322,100.40-245,030,979.88-48,309,705.48

Finding the Fourth Proportional to 163,322,100.40, 245,030,979.88 and 48,309,705.48

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Solution

The fourth proportional to 163,322,100.40, 245,030,979.88 and 48,309,705.48 is: 72,478,705.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,322,100.40 : 245,030,979.88 = 48,309,705.48 : x
  2. Step 2: Convert to fraction form
    163,322,100.40/245,030,979.88 = 48,309,705.48/x
  3. Step 3: Cross multiply
    163,322,100.40x = 245,030,979.88 × 48,309,705.48
  4. Step 4: Simplify right side
    163,322,100.40x = 11,837,374,471,478,604
  5. Step 5: Solve for x
    x = 11,837,374,471,478,604/163,322,100.40
  6. Step 6: Final answer
    x = 72,478,705.84

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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.