Home / 54,541,991.86-81,813,080.76-43,681,256.98

Finding the Fourth Proportional to 54,541,991.86, 81,813,080.76 and 43,681,256.98

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Solution

The fourth proportional to 54,541,991.86, 81,813,080.76 and 43,681,256.98 is: 65,521,959.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,541,991.86 : 81,813,080.76 = 43,681,256.98 : x
  2. Step 2: Convert to fraction form
    54,541,991.86/81,813,080.76 = 43,681,256.98/x
  3. Step 3: Cross multiply
    54,541,991.86x = 81,813,080.76 × 43,681,256.98
  4. Step 4: Simplify right side
    54,541,991.86x = 3,573,698,205,003,053.50
  5. Step 5: Solve for x
    x = 3,573,698,205,003,053.50/54,541,991.86
  6. Step 6: Final answer
    x = 65,521,959.93

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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.