Home / 73,058,868.15-100,817,655.32-40,019,263.88

Finding the Fourth Proportional to 73,058,868.15, 100,817,655.32 and 40,019,263.88

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Solution

The fourth proportional to 73,058,868.15, 100,817,655.32 and 40,019,263.88 is: 55,224,621.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,058,868.15 : 100,817,655.32 = 40,019,263.88 : x
  2. Step 2: Convert to fraction form
    73,058,868.15/100,817,655.32 = 40,019,263.88/x
  3. Step 3: Cross multiply
    73,058,868.15x = 100,817,655.32 × 40,019,263.88
  4. Step 4: Simplify right side
    73,058,868.15x = 4,034,648,351,309,781
  5. Step 5: Solve for x
    x = 4,034,648,351,309,781/73,058,868.15
  6. Step 6: Final answer
    x = 55,224,621.64

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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.