Home / 85,552,018.60-118,030,766.34-56,199,156.52

Finding the Fourth Proportional to 85,552,018.60, 118,030,766.34 and 56,199,156.52

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Solution

The fourth proportional to 85,552,018.60, 118,030,766.34 and 56,199,156.52 is: 77,534,459.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,552,018.60 : 118,030,766.34 = 56,199,156.52 : x
  2. Step 2: Convert to fraction form
    85,552,018.60/118,030,766.34 = 56,199,156.52/x
  3. Step 3: Cross multiply
    85,552,018.60x = 118,030,766.34 × 56,199,156.52
  4. Step 4: Simplify right side
    85,552,018.60x = 6,633,229,511,717,208
  5. Step 5: Solve for x
    x = 6,633,229,511,717,208/85,552,018.60
  6. Step 6: Final answer
    x = 77,534,459.39

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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.