Home / 90,292,491.57-124,604,276.09-49,039,383.95

Finding the Fourth Proportional to 90,292,491.57, 124,604,276.09 and 49,039,383.95

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Solution

The fourth proportional to 90,292,491.57, 124,604,276.09 and 49,039,383.95 is: 67,674,696.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,292,491.57 : 124,604,276.09 = 49,039,383.95 : x
  2. Step 2: Convert to fraction form
    90,292,491.57/124,604,276.09 = 49,039,383.95/x
  3. Step 3: Cross multiply
    90,292,491.57x = 124,604,276.09 × 49,039,383.95
  4. Step 4: Simplify right side
    90,292,491.57x = 6,110,516,936,121,096
  5. Step 5: Solve for x
    x = 6,110,516,936,121,096/90,292,491.57
  6. Step 6: Final answer
    x = 67,674,696.20

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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.