Home / 118,579,901.24-163,510,317.42-77,250,150.20

Finding the Fourth Proportional to 118,579,901.24, 163,510,317.42 and 77,250,150.20

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Solution

The fourth proportional to 118,579,901.24, 163,510,317.42 and 77,250,150.20 is: 106,520,552.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,579,901.24 : 163,510,317.42 = 77,250,150.20 : x
  2. Step 2: Convert to fraction form
    118,579,901.24/163,510,317.42 = 77,250,150.20/x
  3. Step 3: Cross multiply
    118,579,901.24x = 163,510,317.42 × 77,250,150.20
  4. Step 4: Simplify right side
    118,579,901.24x = 12,631,196,579,944,676
  5. Step 5: Solve for x
    x = 12,631,196,579,944,676/118,579,901.24
  6. Step 6: Final answer
    x = 106,520,552.37

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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.