Home / 55,694,879.96-76,855,086.72-30,913,117.26

Finding the Fourth Proportional to 55,694,879.96, 76,855,086.72 and 30,913,117.26

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Solution

The fourth proportional to 55,694,879.96, 76,855,086.72 and 30,913,117.26 is: 42,657,966.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,694,879.96 : 76,855,086.72 = 30,913,117.26 : x
  2. Step 2: Convert to fraction form
    55,694,879.96/76,855,086.72 = 30,913,117.26/x
  3. Step 3: Cross multiply
    55,694,879.96x = 76,855,086.72 × 30,913,117.26
  4. Step 4: Simplify right side
    55,694,879.96x = 2,375,830,307,802,829
  5. Step 5: Solve for x
    x = 2,375,830,307,802,829/55,694,879.96
  6. Step 6: Final answer
    x = 42,657,966.22

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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.