Home / 90,298,798.64-124,610,222.71-53,131,486.23

Finding the Fourth Proportional to 90,298,798.64, 124,610,222.71 and 53,131,486.23

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Solution

The fourth proportional to 90,298,798.64, 124,610,222.71 and 53,131,486.23 is: 73,320,203.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,298,798.64 : 124,610,222.71 = 53,131,486.23 : x
  2. Step 2: Convert to fraction form
    90,298,798.64/124,610,222.71 = 53,131,486.23/x
  3. Step 3: Cross multiply
    90,298,798.64x = 124,610,222.71 × 53,131,486.23
  4. Step 4: Simplify right side
    90,298,798.64x = 6,620,726,331,456,415
  5. Step 5: Solve for x
    x = 6,620,726,331,456,415/90,298,798.64
  6. Step 6: Final answer
    x = 73,320,203.94

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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.