Home / 77,403,509.46-106,792,795.29-43,907,468.04

Finding the Fourth Proportional to 77,403,509.46, 106,792,795.29 and 43,907,468.04

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Solution

The fourth proportional to 77,403,509.46, 106,792,795.29 and 43,907,468.04 is: 60,578,664.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,403,509.46 : 106,792,795.29 = 43,907,468.04 : x
  2. Step 2: Convert to fraction form
    77,403,509.46/106,792,795.29 = 43,907,468.04/x
  3. Step 3: Cross multiply
    77,403,509.46x = 106,792,795.29 × 43,907,468.04
  4. Step 4: Simplify right side
    77,403,509.46x = 4,689,001,246,097,938
  5. Step 5: Solve for x
    x = 4,689,001,246,097,938/77,403,509.46
  6. Step 6: Final answer
    x = 60,578,664.70

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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.