Home / 66,529,544.68-99,797,888.70-21,094,881.64

Finding the Fourth Proportional to 66,529,544.68, 99,797,888.70 and 21,094,881.64

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Solution

The fourth proportional to 66,529,544.68, 99,797,888.70 and 21,094,881.64 is: 31,643,454.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,529,544.68 : 99,797,888.70 = 21,094,881.64 : x
  2. Step 2: Convert to fraction form
    66,529,544.68/99,797,888.70 = 21,094,881.64/x
  3. Step 3: Cross multiply
    66,529,544.68x = 99,797,888.70 × 21,094,881.64
  4. Step 4: Simplify right side
    66,529,544.68x = 2,105,224,650,048,393.50
  5. Step 5: Solve for x
    x = 2,105,224,650,048,393.50/66,529,544.68
  6. Step 6: Final answer
    x = 31,643,454.95

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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.