Home / 43,315,693.84-64,939,804.92-21,440,973.52

Finding the Fourth Proportional to 43,315,693.84, 64,939,804.92 and 21,440,973.52

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Solution

The fourth proportional to 43,315,693.84, 64,939,804.92 and 21,440,973.52 is: 32,144,761.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,315,693.84 : 64,939,804.92 = 21,440,973.52 : x
  2. Step 2: Convert to fraction form
    43,315,693.84/64,939,804.92 = 21,440,973.52/x
  3. Step 3: Cross multiply
    43,315,693.84x = 64,939,804.92 × 21,440,973.52
  4. Step 4: Simplify right side
    43,315,693.84x = 1,392,372,637,683,685.75
  5. Step 5: Solve for x
    x = 1,392,372,637,683,685.75/43,315,693.84
  6. Step 6: Final answer
    x = 32,144,761.27

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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.