Home / 103,887,210.96-143,368,571.16-57,476,709

Finding the Fourth Proportional to 103,887,210.96, 143,368,571.16 and 57,476,709

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Solution

The fourth proportional to 103,887,210.96, 143,368,571.16 and 57,476,709 is: 79,320,193.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,887,210.96 : 143,368,571.16 = 57,476,709 : x
  2. Step 2: Convert to fraction form
    103,887,210.96/143,368,571.16 = 57,476,709/x
  3. Step 3: Cross multiply
    103,887,210.96x = 143,368,571.16 × 57,476,709
  4. Step 4: Simplify right side
    103,887,210.96x = 8,240,353,644,309,112
  5. Step 5: Solve for x
    x = 8,240,353,644,309,112/103,887,210.96
  6. Step 6: Final answer
    x = 79,320,193.20

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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.