Home / 103,448,929.86-142,765,895.34-57,039,040.26

Finding the Fourth Proportional to 103,448,929.86, 142,765,895.34 and 57,039,040.26

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Solution

The fourth proportional to 103,448,929.86, 142,765,895.34 and 57,039,040.26 is: 78,717,388.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,448,929.86 : 142,765,895.34 = 57,039,040.26 : x
  2. Step 2: Convert to fraction form
    103,448,929.86/142,765,895.34 = 57,039,040.26/x
  3. Step 3: Cross multiply
    103,448,929.86x = 142,765,895.34 × 57,039,040.26
  4. Step 4: Simplify right side
    103,448,929.86x = 8,143,229,652,053,206
  5. Step 5: Solve for x
    x = 8,143,229,652,053,206/103,448,929.86
  6. Step 6: Final answer
    x = 78,717,388.99

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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.