Home / 55,566,225.50-76,681,391.19-31,119,939.50

Finding the Fourth Proportional to 55,566,225.50, 76,681,391.19 and 31,119,939.50

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Solution

The fourth proportional to 55,566,225.50, 76,681,391.19 and 31,119,939.50 is: 42,945,516.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,566,225.50 : 76,681,391.19 = 31,119,939.50 : x
  2. Step 2: Convert to fraction form
    55,566,225.50/76,681,391.19 = 31,119,939.50/x
  3. Step 3: Cross multiply
    55,566,225.50x = 76,681,391.19 × 31,119,939.50
  4. Step 4: Simplify right side
    55,566,225.50x = 2,386,320,254,608,633
  5. Step 5: Solve for x
    x = 2,386,320,254,608,633/55,566,225.50
  6. Step 6: Final answer
    x = 42,945,516.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.