Home / 40,890,051.40-61,282,977.90-21,729,987.40

Finding the Fourth Proportional to 40,890,051.40, 61,282,977.90 and 21,729,987.40

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Solution

The fourth proportional to 40,890,051.40, 61,282,977.90 and 21,729,987.40 is: 32,567,294.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,890,051.40 : 61,282,977.90 = 21,729,987.40 : x
  2. Step 2: Convert to fraction form
    40,890,051.40/61,282,977.90 = 21,729,987.40/x
  3. Step 3: Cross multiply
    40,890,051.40x = 61,282,977.90 × 21,729,987.40
  4. Step 4: Simplify right side
    40,890,051.40x = 1,331,678,337,601,478.25
  5. Step 5: Solve for x
    x = 1,331,678,337,601,478.25/40,890,051.40
  6. Step 6: Final answer
    x = 32,567,294.29

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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.