Home / 53,142,003.70-79,713,005.55-52,134,234.10

Finding the Fourth Proportional to 53,142,003.70, 79,713,005.55 and 52,134,234.10

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Solution

The fourth proportional to 53,142,003.70, 79,713,005.55 and 52,134,234.10 is: 78,201,351.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,142,003.70 : 79,713,005.55 = 52,134,234.10 : x
  2. Step 2: Convert to fraction form
    53,142,003.70/79,713,005.55 = 52,134,234.10/x
  3. Step 3: Cross multiply
    53,142,003.70x = 79,713,005.55 × 52,134,234.10
  4. Step 4: Simplify right side
    53,142,003.70x = 4,155,776,492,158,299
  5. Step 5: Solve for x
    x = 4,155,776,492,158,299/53,142,003.70
  6. Step 6: Final answer
    x = 78,201,351.15

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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.