Home / 55,881,546.44-77,119,070.51-31,103,317.58

Finding the Fourth Proportional to 55,881,546.44, 77,119,070.51 and 31,103,317.58

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Solution

The fourth proportional to 55,881,546.44, 77,119,070.51 and 31,103,317.58 is: 42,923,990.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,881,546.44 : 77,119,070.51 = 31,103,317.58 : x
  2. Step 2: Convert to fraction form
    55,881,546.44/77,119,070.51 = 31,103,317.58/x
  3. Step 3: Cross multiply
    55,881,546.44x = 77,119,070.51 × 31,103,317.58
  4. Step 4: Simplify right side
    55,881,546.44x = 2,398,658,941,239,105.50
  5. Step 5: Solve for x
    x = 2,398,658,941,239,105.50/55,881,546.44
  6. Step 6: Final answer
    x = 42,923,990.02

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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.