Home / 172,814,526.81-259,222,053.23-70,578,564.44

Finding the Fourth Proportional to 172,814,526.81, 259,222,053.23 and 70,578,564.44

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Solution

The fourth proportional to 172,814,526.81, 259,222,053.23 and 70,578,564.44 is: 105,867,954.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,814,526.81 : 259,222,053.23 = 70,578,564.44 : x
  2. Step 2: Convert to fraction form
    172,814,526.81/259,222,053.23 = 70,578,564.44/x
  3. Step 3: Cross multiply
    172,814,526.81x = 259,222,053.23 × 70,578,564.44
  4. Step 4: Simplify right side
    172,814,526.81x = 18,295,520,386,513,664
  5. Step 5: Solve for x
    x = 18,295,520,386,513,664/172,814,526.81
  6. Step 6: Final answer
    x = 105,867,954.07

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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.