Home / 172,814,724.71-259,222,349.54-70,578,762.33

Finding the Fourth Proportional to 172,814,724.71, 259,222,349.54 and 70,578,762.33

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Solution

The fourth proportional to 172,814,724.71, 259,222,349.54 and 70,578,762.33 is: 105,868,250.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,814,724.71 : 259,222,349.54 = 70,578,762.33 : x
  2. Step 2: Convert to fraction form
    172,814,724.71/259,222,349.54 = 70,578,762.33/x
  3. Step 3: Cross multiply
    172,814,724.71x = 259,222,349.54 × 70,578,762.33
  4. Step 4: Simplify right side
    172,814,724.71x = 18,295,592,598,807,844
  5. Step 5: Solve for x
    x = 18,295,592,598,807,844/172,814,724.71
  6. Step 6: Final answer
    x = 105,868,250.69

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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.