Home / 90,276,763.09-124,579,825.03-53,109,436.51

Finding the Fourth Proportional to 90,276,763.09, 124,579,825.03 and 53,109,436.51

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Solution

The fourth proportional to 90,276,763.09, 124,579,825.03 and 53,109,436.51 is: 73,289,782.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,276,763.09 : 124,579,825.03 = 53,109,436.51 : x
  2. Step 2: Convert to fraction form
    90,276,763.09/124,579,825.03 = 53,109,436.51/x
  3. Step 3: Cross multiply
    90,276,763.09x = 124,579,825.03 × 53,109,436.51
  4. Step 4: Simplify right side
    90,276,763.09x = 6,616,364,307,379,044
  5. Step 5: Solve for x
    x = 6,616,364,307,379,044/90,276,763.09
  6. Step 6: Final answer
    x = 73,289,782.23

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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.