Home / 75,582,798.72-104,307,680.52-42,554,396.70

Finding the Fourth Proportional to 75,582,798.72, 104,307,680.52 and 42,554,396.70

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Solution

The fourth proportional to 75,582,798.72, 104,307,680.52 and 42,554,396.70 is: 58,726,992.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,582,798.72 : 104,307,680.52 = 42,554,396.70 : x
  2. Step 2: Convert to fraction form
    75,582,798.72/104,307,680.52 = 42,554,396.70/x
  3. Step 3: Cross multiply
    75,582,798.72x = 104,307,680.52 × 42,554,396.70
  4. Step 4: Simplify right side
    75,582,798.72x = 4,438,750,415,704,942.50
  5. Step 5: Solve for x
    x = 4,438,750,415,704,942.50/75,582,798.72
  6. Step 6: Final answer
    x = 58,726,992.00

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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.