Home / 58,074,041.94-87,124,186.56-19,212,402.78

Finding the Fourth Proportional to 58,074,041.94, 87,124,186.56 and 19,212,402.78

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Solution

The fourth proportional to 58,074,041.94, 87,124,186.56 and 19,212,402.78 is: 28,822,945.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,074,041.94 : 87,124,186.56 = 19,212,402.78 : x
  2. Step 2: Convert to fraction form
    58,074,041.94/87,124,186.56 = 19,212,402.78/x
  3. Step 3: Cross multiply
    58,074,041.94x = 87,124,186.56 × 19,212,402.78
  4. Step 4: Simplify right side
    58,074,041.94x = 1,673,864,964,070,582.75
  5. Step 5: Solve for x
    x = 1,673,864,964,070,582.75/58,074,041.94
  6. Step 6: Final answer
    x = 28,822,945.81

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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.