Home / 55,963,639.76-77,227,783.95-31,182,546.20

Finding the Fourth Proportional to 55,963,639.76, 77,227,783.95 and 31,182,546.20

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Solution

The fourth proportional to 55,963,639.76, 77,227,783.95 and 31,182,546.20 is: 43,030,777.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,963,639.76 : 77,227,783.95 = 31,182,546.20 : x
  2. Step 2: Convert to fraction form
    55,963,639.76/77,227,783.95 = 31,182,546.20/x
  3. Step 3: Cross multiply
    55,963,639.76x = 77,227,783.95 × 31,182,546.20
  4. Step 4: Simplify right side
    55,963,639.76x = 2,408,158,940,944,493.50
  5. Step 5: Solve for x
    x = 2,408,158,940,944,493.50/55,963,639.76
  6. Step 6: Final answer
    x = 43,030,777.68

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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.