Home / 90,410,335.87-124,765,386.63-49,157,228.25

Finding the Fourth Proportional to 90,410,335.87, 124,765,386.63 and 49,157,228.25

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Solution

The fourth proportional to 90,410,335.87, 124,765,386.63 and 49,157,228.25 is: 67,836,498.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,410,335.87 : 124,765,386.63 = 49,157,228.25 : x
  2. Step 2: Convert to fraction form
    90,410,335.87/124,765,386.63 = 49,157,228.25/x
  3. Step 3: Cross multiply
    90,410,335.87x = 124,765,386.63 × 49,157,228.25
  4. Step 4: Simplify right side
    90,410,335.87x = 6,133,120,588,270,408
  5. Step 5: Solve for x
    x = 6,133,120,588,270,408/90,410,335.87
  6. Step 6: Final answer
    x = 67,836,498.22

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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.