Home / 109,262,038.20-163,599,370.92-83,230,332.56

Finding the Fourth Proportional to 109,262,038.20, 163,599,370.92 and 83,230,332.56

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Solution

The fourth proportional to 109,262,038.20, 163,599,370.92 and 83,230,332.56 is: 124,621,783.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,262,038.20 : 163,599,370.92 = 83,230,332.56 : x
  2. Step 2: Convert to fraction form
    109,262,038.20/163,599,370.92 = 83,230,332.56/x
  3. Step 3: Cross multiply
    109,262,038.20x = 163,599,370.92 × 83,230,332.56
  4. Step 4: Simplify right side
    109,262,038.20x = 13,616,430,048,278,392
  5. Step 5: Solve for x
    x = 13,616,430,048,278,392/109,262,038.20
  6. Step 6: Final answer
    x = 124,621,783.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.