Home / 77,403,339.51-106,792,561.31-43,907,298.09

Finding the Fourth Proportional to 77,403,339.51, 106,792,561.31 and 43,907,298.09

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Solution

The fourth proportional to 77,403,339.51, 106,792,561.31 and 43,907,298.09 is: 60,578,430.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,403,339.51 : 106,792,561.31 = 43,907,298.09 : x
  2. Step 2: Convert to fraction form
    77,403,339.51/106,792,561.31 = 43,907,298.09/x
  3. Step 3: Cross multiply
    77,403,339.51x = 106,792,561.31 × 43,907,298.09
  4. Step 4: Simplify right side
    77,403,339.51x = 4,688,972,823,013,235
  5. Step 5: Solve for x
    x = 4,688,972,823,013,235/77,403,339.51
  6. Step 6: Final answer
    x = 60,578,430.50

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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.