Home / 64,583,870.04-89,147,337.66-38,486,571.48

Finding the Fourth Proportional to 64,583,870.04, 89,147,337.66 and 38,486,571.48

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Solution

The fourth proportional to 64,583,870.04, 89,147,337.66 and 38,486,571.48 is: 53,124,338.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,583,870.04 : 89,147,337.66 = 38,486,571.48 : x
  2. Step 2: Convert to fraction form
    64,583,870.04/89,147,337.66 = 38,486,571.48/x
  3. Step 3: Cross multiply
    64,583,870.04x = 89,147,337.66 × 38,486,571.48
  4. Step 4: Simplify right side
    64,583,870.04x = 3,430,975,383,103,285.50
  5. Step 5: Solve for x
    x = 3,430,975,383,103,285.50/64,583,870.04
  6. Step 6: Final answer
    x = 53,124,338.65

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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.