Home / 56,783,133.21-78,360,726.14-30,677,650.95

Finding the Fourth Proportional to 56,783,133.21, 78,360,726.14 and 30,677,650.95

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Solution

The fourth proportional to 56,783,133.21, 78,360,726.14 and 30,677,650.95 is: 42,335,159.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,783,133.21 : 78,360,726.14 = 30,677,650.95 : x
  2. Step 2: Convert to fraction form
    56,783,133.21/78,360,726.14 = 30,677,650.95/x
  3. Step 3: Cross multiply
    56,783,133.21x = 78,360,726.14 × 30,677,650.95
  4. Step 4: Simplify right side
    56,783,133.21x = 2,403,923,004,558,072.50
  5. Step 5: Solve for x
    x = 2,403,923,004,558,072.50/56,783,133.21
  6. Step 6: Final answer
    x = 42,335,159.56

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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.