Home / 115,113,785,838.73-158,846,363,782.99-63,671,238,493.71

Finding the Fourth Proportional to 115,113,785,838.73, 158,846,363,782.99 and 63,671,238,493.71

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Solution

The fourth proportional to 115,113,785,838.73, 158,846,363,782.99 and 63,671,238,493.71 is: 87,860,412,535.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,113,785,838.73 : 158,846,363,782.99 = 63,671,238,493.71 : x
  2. Step 2: Convert to fraction form
    115,113,785,838.73/158,846,363,782.99 = 63,671,238,493.71/x
  3. Step 3: Cross multiply
    115,113,785,838.73x = 158,846,363,782.99 × 63,671,238,493.71
  4. Step 4: Simplify right side
    115,113,785,838.73x = 10,113,944,712,285,375,168,512
  5. Step 5: Solve for x
    x = 10,113,944,712,285,375,168,512/115,113,785,838.73
  6. Step 6: Final answer
    x = 87,860,412,535.25

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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.