Home / 73,156,888.82-100,959,417.41-40,118,322.84

Finding the Fourth Proportional to 73,156,888.82, 100,959,417.41 and 40,118,322.84

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Solution

The fourth proportional to 73,156,888.82, 100,959,417.41 and 40,118,322.84 is: 55,364,881.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,156,888.82 : 100,959,417.41 = 40,118,322.84 : x
  2. Step 2: Convert to fraction form
    73,156,888.82/100,959,417.41 = 40,118,322.84/x
  3. Step 3: Cross multiply
    73,156,888.82x = 100,959,417.41 × 40,118,322.84
  4. Step 4: Simplify right side
    73,156,888.82x = 4,050,322,501,039,373.50
  5. Step 5: Solve for x
    x = 4,050,322,501,039,373.50/73,156,888.82
  6. Step 6: Final answer
    x = 55,364,881.78

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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.