Home / 96,987,626.40-145,508,733.36-42,405,005.28

Finding the Fourth Proportional to 96,987,626.40, 145,508,733.36 and 42,405,005.28

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Solution

The fourth proportional to 96,987,626.40, 145,508,733.36 and 42,405,005.28 is: 63,619,441.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,987,626.40 : 145,508,733.36 = 42,405,005.28 : x
  2. Step 2: Convert to fraction form
    96,987,626.40/145,508,733.36 = 42,405,005.28/x
  3. Step 3: Cross multiply
    96,987,626.40x = 145,508,733.36 × 42,405,005.28
  4. Step 4: Simplify right side
    96,987,626.40x = 6,170,298,606,416,913
  5. Step 5: Solve for x
    x = 6,170,298,606,416,913/96,987,626.40
  6. Step 6: Final answer
    x = 63,619,441.32

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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.