Home / 109,410,020.40-164,115,030.60-98,828,439.60

Finding the Fourth Proportional to 109,410,020.40, 164,115,030.60 and 98,828,439.60

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Solution

The fourth proportional to 109,410,020.40, 164,115,030.60 and 98,828,439.60 is: 148,242,659.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,410,020.40 : 164,115,030.60 = 98,828,439.60 : x
  2. Step 2: Convert to fraction form
    109,410,020.40/164,115,030.60 = 98,828,439.60/x
  3. Step 3: Cross multiply
    109,410,020.40x = 164,115,030.60 × 98,828,439.60
  4. Step 4: Simplify right side
    109,410,020.40x = 16,219,232,389,104,250
  5. Step 5: Solve for x
    x = 16,219,232,389,104,250/109,410,020.40
  6. Step 6: Final answer
    x = 148,242,659.40

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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.