Home / 96,825,750.40-145,089,326.40-83,986,019.20

Finding the Fourth Proportional to 96,825,750.40, 145,089,326.40 and 83,986,019.20

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Solution

The fourth proportional to 96,825,750.40, 145,089,326.40 and 83,986,019.20 is: 125,849,527.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,825,750.40 : 145,089,326.40 = 83,986,019.20 : x
  2. Step 2: Convert to fraction form
    96,825,750.40/145,089,326.40 = 83,986,019.20/x
  3. Step 3: Cross multiply
    96,825,750.40x = 145,089,326.40 × 83,986,019.20
  4. Step 4: Simplify right side
    96,825,750.40x = 12,185,474,952,745,468
  5. Step 5: Solve for x
    x = 12,185,474,952,745,468/96,825,750.40
  6. Step 6: Final answer
    x = 125,849,527.66

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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.