Home / 66,217,192.12-91,378,999.93-36,447,203.69

Finding the Fourth Proportional to 66,217,192.12, 91,378,999.93 and 36,447,203.69

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Solution

The fourth proportional to 66,217,192.12, 91,378,999.93 and 36,447,203.69 is: 50,296,741.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,217,192.12 : 91,378,999.93 = 36,447,203.69 : x
  2. Step 2: Convert to fraction form
    66,217,192.12/91,378,999.93 = 36,447,203.69/x
  3. Step 3: Cross multiply
    66,217,192.12x = 91,378,999.93 × 36,447,203.69
  4. Step 4: Simplify right side
    66,217,192.12x = 3,330,509,023,437,206
  5. Step 5: Solve for x
    x = 3,330,509,023,437,206/66,217,192.12
  6. Step 6: Final answer
    x = 50,296,741.93

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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.