Home / 115,113,785,838.23-158,846,363,782.30-63,671,238,493.21

Finding the Fourth Proportional to 115,113,785,838.23, 158,846,363,782.30 and 63,671,238,493.21

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Solution

The fourth proportional to 115,113,785,838.23, 158,846,363,782.30 and 63,671,238,493.21 is: 87,860,412,534.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,113,785,838.23 : 158,846,363,782.30 = 63,671,238,493.21 : x
  2. Step 2: Convert to fraction form
    115,113,785,838.23/158,846,363,782.30 = 63,671,238,493.21/x
  3. Step 3: Cross multiply
    115,113,785,838.23x = 158,846,363,782.30 × 63,671,238,493.21
  4. Step 4: Simplify right side
    115,113,785,838.23x = 10,113,944,712,162,018,590,720
  5. Step 5: Solve for x
    x = 10,113,944,712,162,018,590,720/115,113,785,838.23
  6. Step 6: Final answer
    x = 87,860,412,534.56

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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.