Home / 115,368,738.71-159,208,867.18-63,157,774.37

Finding the Fourth Proportional to 115,368,738.71, 159,208,867.18 and 63,157,774.37

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Solution

The fourth proportional to 115,368,738.71, 159,208,867.18 and 63,157,774.37 is: 87,157,732.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,368,738.71 : 159,208,867.18 = 63,157,774.37 : x
  2. Step 2: Convert to fraction form
    115,368,738.71/159,208,867.18 = 63,157,774.37/x
  3. Step 3: Cross multiply
    115,368,738.71x = 159,208,867.18 × 63,157,774.37
  4. Step 4: Simplify right side
    115,368,738.71x = 10,055,277,710,937,674
  5. Step 5: Solve for x
    x = 10,055,277,710,937,674/115,368,738.71
  6. Step 6: Final answer
    x = 87,157,732.88

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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.