Home / 107,300,620.80-160,971,926.40-45,889,660.80

Finding the Fourth Proportional to 107,300,620.80, 160,971,926.40 and 45,889,660.80

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Solution

The fourth proportional to 107,300,620.80, 160,971,926.40 and 45,889,660.80 is: 68,843,470.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,300,620.80 : 160,971,926.40 = 45,889,660.80 : x
  2. Step 2: Convert to fraction form
    107,300,620.80/160,971,926.40 = 45,889,660.80/x
  3. Step 3: Cross multiply
    107,300,620.80x = 160,971,926.40 × 45,889,660.80
  4. Step 4: Simplify right side
    107,300,620.80x = 7,386,947,100,818,565
  5. Step 5: Solve for x
    x = 7,386,947,100,818,565/107,300,620.80
  6. Step 6: Final answer
    x = 68,843,470.30

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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.