Home / 71,700,612.48-107,537,796.40-19,178,962.40

Finding the Fourth Proportional to 71,700,612.48, 107,537,796.40 and 19,178,962.40

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Solution

The fourth proportional to 71,700,612.48, 107,537,796.40 and 19,178,962.40 is: 28,764,933.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,700,612.48 : 107,537,796.40 = 19,178,962.40 : x
  2. Step 2: Convert to fraction form
    71,700,612.48/107,537,796.40 = 19,178,962.40/x
  3. Step 3: Cross multiply
    71,700,612.48x = 107,537,796.40 × 19,178,962.40
  4. Step 4: Simplify right side
    71,700,612.48x = 2,062,463,353,734,455.25
  5. Step 5: Solve for x
    x = 2,062,463,353,734,455.25/71,700,612.48
  6. Step 6: Final answer
    x = 28,764,933.55

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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.