Home / 55,890,438.84-77,122,635.18-31,443,739.32

Finding the Fourth Proportional to 55,890,438.84, 77,122,635.18 and 31,443,739.32

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Solution

The fourth proportional to 55,890,438.84, 77,122,635.18 and 31,443,739.32 is: 43,388,888.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,890,438.84 : 77,122,635.18 = 31,443,739.32 : x
  2. Step 2: Convert to fraction form
    55,890,438.84/77,122,635.18 = 31,443,739.32/x
  3. Step 3: Cross multiply
    55,890,438.84x = 77,122,635.18 × 31,443,739.32
  4. Step 4: Simplify right side
    55,890,438.84x = 2,425,024,036,271,381.50
  5. Step 5: Solve for x
    x = 2,425,024,036,271,381.50/55,890,438.84
  6. Step 6: Final answer
    x = 43,388,888.81

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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.