Home / 90,115,965.69-124,362,477.98-50,963,597.33

Finding the Fourth Proportional to 90,115,965.69, 124,362,477.98 and 50,963,597.33

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Solution

The fourth proportional to 90,115,965.69, 124,362,477.98 and 50,963,597.33 is: 70,331,147.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,115,965.69 : 124,362,477.98 = 50,963,597.33 : x
  2. Step 2: Convert to fraction form
    90,115,965.69/124,362,477.98 = 50,963,597.33/x
  3. Step 3: Cross multiply
    90,115,965.69x = 124,362,477.98 × 50,963,597.33
  4. Step 4: Simplify right side
    90,115,965.69x = 6,337,959,249,857,081
  5. Step 5: Solve for x
    x = 6,337,959,249,857,081/90,115,965.69
  6. Step 6: Final answer
    x = 70,331,147.22

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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.