Home / 77,530,216.56-106,992,416.40-42,724,152.60

Finding the Fourth Proportional to 77,530,216.56, 106,992,416.40 and 42,724,152.60

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Solution

The fourth proportional to 77,530,216.56, 106,992,416.40 and 42,724,152.60 is: 58,959,726.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,530,216.56 : 106,992,416.40 = 42,724,152.60 : x
  2. Step 2: Convert to fraction form
    77,530,216.56/106,992,416.40 = 42,724,152.60/x
  3. Step 3: Cross multiply
    77,530,216.56x = 106,992,416.40 × 42,724,152.60
  4. Step 4: Simplify right side
    77,530,216.56x = 4,571,160,325,316,343
  5. Step 5: Solve for x
    x = 4,571,160,325,316,343/77,530,216.56
  6. Step 6: Final answer
    x = 58,959,726.00

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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.