Home / 66,557,528.80-99,854,955.60-28,237,400.80

Finding the Fourth Proportional to 66,557,528.80, 99,854,955.60 and 28,237,400.80

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Solution

The fourth proportional to 66,557,528.80, 99,854,955.60 and 28,237,400.80 is: 42,364,018.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,557,528.80 : 99,854,955.60 = 28,237,400.80 : x
  2. Step 2: Convert to fraction form
    66,557,528.80/99,854,955.60 = 28,237,400.80/x
  3. Step 3: Cross multiply
    66,557,528.80x = 99,854,955.60 × 28,237,400.80
  4. Step 4: Simplify right side
    66,557,528.80x = 2,819,644,403,143,404.50
  5. Step 5: Solve for x
    x = 2,819,644,403,143,404.50/66,557,528.80
  6. Step 6: Final answer
    x = 42,364,018.83

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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.