Home / 78,032,601.30-107,684,952.34-46,670,649.74

Finding the Fourth Proportional to 78,032,601.30, 107,684,952.34 and 46,670,649.74

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Solution

The fourth proportional to 78,032,601.30, 107,684,952.34 and 46,670,649.74 is: 64,405,474.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,032,601.30 : 107,684,952.34 = 46,670,649.74 : x
  2. Step 2: Convert to fraction form
    78,032,601.30/107,684,952.34 = 46,670,649.74/x
  3. Step 3: Cross multiply
    78,032,601.30x = 107,684,952.34 × 46,670,649.74
  4. Step 4: Simplify right side
    78,032,601.30x = 5,025,726,692,390,309
  5. Step 5: Solve for x
    x = 5,025,726,692,390,309/78,032,601.30
  6. Step 6: Final answer
    x = 64,405,474.23

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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.