Home / 96,774,767.40-145,067,672.70-86,571,100.20

Finding the Fourth Proportional to 96,774,767.40, 145,067,672.70 and 86,571,100.20

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Solution

The fourth proportional to 96,774,767.40, 145,067,672.70 and 86,571,100.20 is: 129,772,133.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,774,767.40 : 145,067,672.70 = 86,571,100.20 : x
  2. Step 2: Convert to fraction form
    96,774,767.40/145,067,672.70 = 86,571,100.20/x
  3. Step 3: Cross multiply
    96,774,767.40x = 145,067,672.70 × 86,571,100.20
  4. Step 4: Simplify right side
    96,774,767.40x = 12,558,668,029,092,504
  5. Step 5: Solve for x
    x = 12,558,668,029,092,504/96,774,767.40
  6. Step 6: Final answer
    x = 129,772,133.44

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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.