Home / 73,422,355.32-101,325,741.33-40,385,678.45

Finding the Fourth Proportional to 73,422,355.32, 101,325,741.33 and 40,385,678.45

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Solution

The fourth proportional to 73,422,355.32, 101,325,741.33 and 40,385,678.45 is: 55,733,826.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,422,355.32 : 101,325,741.33 = 40,385,678.45 : x
  2. Step 2: Convert to fraction form
    73,422,355.32/101,325,741.33 = 40,385,678.45/x
  3. Step 3: Cross multiply
    73,422,355.32x = 101,325,741.33 × 40,385,678.45
  4. Step 4: Simplify right side
    73,422,355.32x = 4,092,108,807,554,626.50
  5. Step 5: Solve for x
    x = 4,092,108,807,554,626.50/73,422,355.32
  6. Step 6: Final answer
    x = 55,733,826.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.