Home / 115,102,700.32-158,836,999.80-62,893,528.24

Finding the Fourth Proportional to 115,102,700.32, 158,836,999.80 and 62,893,528.24

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Solution

The fourth proportional to 115,102,700.32, 158,836,999.80 and 62,893,528.24 is: 86,790,486.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,102,700.32 : 158,836,999.80 = 62,893,528.24 : x
  2. Step 2: Convert to fraction form
    115,102,700.32/158,836,999.80 = 62,893,528.24/x
  3. Step 3: Cross multiply
    115,102,700.32x = 158,836,999.80 × 62,893,528.24
  4. Step 4: Simplify right side
    115,102,700.32x = 9,989,819,332,478,176
  5. Step 5: Solve for x
    x = 9,989,819,332,478,176/115,102,700.32
  6. Step 6: Final answer
    x = 86,790,486.28

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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.