Home / 90,404,784.06-124,781,201.01-55,577,296.32

Finding the Fourth Proportional to 90,404,784.06, 124,781,201.01 and 55,577,296.32

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Solution

The fourth proportional to 90,404,784.06, 124,781,201.01 and 55,577,296.32 is: 76,710,561.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,404,784.06 : 124,781,201.01 = 55,577,296.32 : x
  2. Step 2: Convert to fraction form
    90,404,784.06/124,781,201.01 = 55,577,296.32/x
  3. Step 3: Cross multiply
    90,404,784.06x = 124,781,201.01 × 55,577,296.32
  4. Step 4: Simplify right side
    90,404,784.06x = 6,935,001,783,698,254
  5. Step 5: Solve for x
    x = 6,935,001,783,698,254/90,404,784.06
  6. Step 6: Final answer
    x = 76,710,561.90

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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.