Home / 145,363,163.58-218,018,856.09-57,917,351.85

Finding the Fourth Proportional to 145,363,163.58, 218,018,856.09 and 57,917,351.85

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Solution

The fourth proportional to 145,363,163.58, 218,018,856.09 and 57,917,351.85 is: 86,865,712.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,363,163.58 : 218,018,856.09 = 57,917,351.85 : x
  2. Step 2: Convert to fraction form
    145,363,163.58/218,018,856.09 = 57,917,351.85/x
  3. Step 3: Cross multiply
    145,363,163.58x = 218,018,856.09 × 57,917,351.85
  4. Step 4: Simplify right side
    145,363,163.58x = 12,627,074,798,099,046
  5. Step 5: Solve for x
    x = 12,627,074,798,099,046/145,363,163.58
  6. Step 6: Final answer
    x = 86,865,712.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.