Home / 77,684,201.16-107,196,565.18-42,874,649.62

Finding the Fourth Proportional to 77,684,201.16, 107,196,565.18 and 42,874,649.62

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Solution

The fourth proportional to 77,684,201.16, 107,196,565.18 and 42,874,649.62 is: 59,162,804.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,684,201.16 : 107,196,565.18 = 42,874,649.62 : x
  2. Step 2: Convert to fraction form
    77,684,201.16/107,196,565.18 = 42,874,649.62/x
  3. Step 3: Cross multiply
    77,684,201.16x = 107,196,565.18 × 42,874,649.62
  4. Step 4: Simplify right side
    77,684,201.16x = 4,596,015,172,559,992
  5. Step 5: Solve for x
    x = 4,596,015,172,559,992/77,684,201.16
  6. Step 6: Final answer
    x = 59,162,804.07

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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.