Home / 97,008,465.60-145,512,698.40-45,990,129.60

Finding the Fourth Proportional to 97,008,465.60, 145,512,698.40 and 45,990,129.60

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Solution

The fourth proportional to 97,008,465.60, 145,512,698.40 and 45,990,129.60 is: 68,985,194.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,008,465.60 : 145,512,698.40 = 45,990,129.60 : x
  2. Step 2: Convert to fraction form
    97,008,465.60/145,512,698.40 = 45,990,129.60/x
  3. Step 3: Cross multiply
    97,008,465.60x = 145,512,698.40 × 45,990,129.60
  4. Step 4: Simplify right side
    97,008,465.60x = 6,692,147,857,861,713
  5. Step 5: Solve for x
    x = 6,692,147,857,861,713/97,008,465.60
  6. Step 6: Final answer
    x = 68,985,194.40

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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.