Home / 77,530,218.06-106,992,418.47-42,724,154.10

Finding the Fourth Proportional to 77,530,218.06, 106,992,418.47 and 42,724,154.10

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Solution

The fourth proportional to 77,530,218.06, 106,992,418.47 and 42,724,154.10 is: 58,959,728.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,530,218.06 : 106,992,418.47 = 42,724,154.10 : x
  2. Step 2: Convert to fraction form
    77,530,218.06/106,992,418.47 = 42,724,154.10/x
  3. Step 3: Cross multiply
    77,530,218.06x = 106,992,418.47 × 42,724,154.10
  4. Step 4: Simplify right side
    77,530,218.06x = 4,571,160,574,243,966
  5. Step 5: Solve for x
    x = 4,571,160,574,243,966/77,530,218.06
  6. Step 6: Final answer
    x = 58,959,728.07

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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.