Home / 96,705,785.80-145,058,678.70-91,032,416.20

Finding the Fourth Proportional to 96,705,785.80, 145,058,678.70 and 91,032,416.20

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Solution

The fourth proportional to 96,705,785.80, 145,058,678.70 and 91,032,416.20 is: 136,548,624.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,705,785.80 : 145,058,678.70 = 91,032,416.20 : x
  2. Step 2: Convert to fraction form
    96,705,785.80/145,058,678.70 = 91,032,416.20/x
  3. Step 3: Cross multiply
    96,705,785.80x = 145,058,678.70 × 91,032,416.20
  4. Step 4: Simplify right side
    96,705,785.80x = 13,205,042,012,840,474
  5. Step 5: Solve for x
    x = 13,205,042,012,840,474/96,705,785.80
  6. Step 6: Final answer
    x = 136,548,624.30

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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.