Home / 172,814,535.95-259,222,066.90-70,578,573.58

Finding the Fourth Proportional to 172,814,535.95, 259,222,066.90 and 70,578,573.58

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Solution

The fourth proportional to 172,814,535.95, 259,222,066.90 and 70,578,573.58 is: 105,867,967.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,814,535.95 : 259,222,066.90 = 70,578,573.58 : x
  2. Step 2: Convert to fraction form
    172,814,535.95/259,222,066.90 = 70,578,573.58/x
  3. Step 3: Cross multiply
    172,814,535.95x = 259,222,066.90 × 70,578,573.58
  4. Step 4: Simplify right side
    172,814,535.95x = 18,295,523,721,463,920
  5. Step 5: Solve for x
    x = 18,295,523,721,463,920/172,814,535.95
  6. Step 6: Final answer
    x = 105,867,967.76

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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.