Home / 66,557,456.80-99,854,847.60-28,237,328.80

Finding the Fourth Proportional to 66,557,456.80, 99,854,847.60 and 28,237,328.80

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Solution

The fourth proportional to 66,557,456.80, 99,854,847.60 and 28,237,328.80 is: 42,363,910.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,557,456.80 : 99,854,847.60 = 28,237,328.80 : x
  2. Step 2: Convert to fraction form
    66,557,456.80/99,854,847.60 = 28,237,328.80/x
  3. Step 3: Cross multiply
    66,557,456.80x = 99,854,847.60 × 28,237,328.80
  4. Step 4: Simplify right side
    66,557,456.80x = 2,819,634,163,955,091
  5. Step 5: Solve for x
    x = 2,819,634,163,955,091/66,557,456.80
  6. Step 6: Final answer
    x = 42,363,910.82

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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.