Home / 77,037,631.70-106,300,578-46,846,726.88

Finding the Fourth Proportional to 77,037,631.70, 106,300,578 and 46,846,726.88

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Solution

The fourth proportional to 77,037,631.70, 106,300,578 and 46,846,726.88 is: 64,641,578.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,037,631.70 : 106,300,578 = 46,846,726.88 : x
  2. Step 2: Convert to fraction form
    77,037,631.70/106,300,578 = 46,846,726.88/x
  3. Step 3: Cross multiply
    77,037,631.70x = 106,300,578 × 46,846,726.88
  4. Step 4: Simplify right side
    77,037,631.70x = 4,979,834,144,752,137
  5. Step 5: Solve for x
    x = 4,979,834,144,752,137/77,037,631.70
  6. Step 6: Final answer
    x = 64,641,578.86

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1.5x scale

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.