Home / 77,530,219.47-106,992,420.41-42,724,155.51

Finding the Fourth Proportional to 77,530,219.47, 106,992,420.41 and 42,724,155.51

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Solution

The fourth proportional to 77,530,219.47, 106,992,420.41 and 42,724,155.51 is: 58,959,730.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,530,219.47 : 106,992,420.41 = 42,724,155.51 : x
  2. Step 2: Convert to fraction form
    77,530,219.47/106,992,420.41 = 42,724,155.51/x
  3. Step 3: Cross multiply
    77,530,219.47x = 106,992,420.41 × 42,724,155.51
  4. Step 4: Simplify right side
    77,530,219.47x = 4,571,160,808,094,948
  5. Step 5: Solve for x
    x = 4,571,160,808,094,948/77,530,219.47
  6. Step 6: Final answer
    x = 58,959,730.02

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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.