Home / 77,782,194.51-107,336,234.05-42,501,210.68

Finding the Fourth Proportional to 77,782,194.51, 107,336,234.05 and 42,501,210.68

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Solution

The fourth proportional to 77,782,194.51, 107,336,234.05 and 42,501,210.68 is: 58,649,925.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,782,194.51 : 107,336,234.05 = 42,501,210.68 : x
  2. Step 2: Convert to fraction form
    77,782,194.51/107,336,234.05 = 42,501,210.68/x
  3. Step 3: Cross multiply
    77,782,194.51x = 107,336,234.05 × 42,501,210.68
  4. Step 4: Simplify right side
    77,782,194.51x = 4,561,919,896,420,158
  5. Step 5: Solve for x
    x = 4,561,919,896,420,158/77,782,194.51
  6. Step 6: Final answer
    x = 58,649,925.29

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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.