Home / 262,573,729.60-393,860,594.40-80,876,603.20

Finding the Fourth Proportional to 262,573,729.60, 393,860,594.40 and 80,876,603.20

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Solution

The fourth proportional to 262,573,729.60, 393,860,594.40 and 80,876,603.20 is: 121,314,904.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,573,729.60 : 393,860,594.40 = 80,876,603.20 : x
  2. Step 2: Convert to fraction form
    262,573,729.60/393,860,594.40 = 80,876,603.20/x
  3. Step 3: Cross multiply
    262,573,729.60x = 393,860,594.40 × 80,876,603.20
  4. Step 4: Simplify right side
    262,573,729.60x = 31,854,107,009,404,940
  5. Step 5: Solve for x
    x = 31,854,107,009,404,940/262,573,729.60
  6. Step 6: Final answer
    x = 121,314,904.80

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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.