Home / 54,021,603.60-81,032,405.40-47,644,311.60

Finding the Fourth Proportional to 54,021,603.60, 81,032,405.40 and 47,644,311.60

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Solution

The fourth proportional to 54,021,603.60, 81,032,405.40 and 47,644,311.60 is: 71,466,467.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,021,603.60 : 81,032,405.40 = 47,644,311.60 : x
  2. Step 2: Convert to fraction form
    54,021,603.60/81,032,405.40 = 47,644,311.60/x
  3. Step 3: Cross multiply
    54,021,603.60x = 81,032,405.40 × 47,644,311.60
  4. Step 4: Simplify right side
    54,021,603.60x = 3,860,733,172,575,123
  5. Step 5: Solve for x
    x = 3,860,733,172,575,123/54,021,603.60
  6. Step 6: Final answer
    x = 71,466,467.40

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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.