Home / 66,439,619.78-99,710,296.54-30,073,548.62

Finding the Fourth Proportional to 66,439,619.78, 99,710,296.54 and 30,073,548.62

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Solution

The fourth proportional to 66,439,619.78, 99,710,296.54 and 30,073,548.62 is: 45,133,347.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,439,619.78 : 99,710,296.54 = 30,073,548.62 : x
  2. Step 2: Convert to fraction form
    66,439,619.78/99,710,296.54 = 30,073,548.62/x
  3. Step 3: Cross multiply
    66,439,619.78x = 99,710,296.54 × 30,073,548.62
  4. Step 4: Simplify right side
    66,439,619.78x = 2,998,642,450,910,308
  5. Step 5: Solve for x
    x = 2,998,642,450,910,308/66,439,619.78
  6. Step 6: Final answer
    x = 45,133,347.55

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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.