Home / 96,986,376.40-145,479,564.60-71,477,208.40

Finding the Fourth Proportional to 96,986,376.40, 145,479,564.60 and 71,477,208.40

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Solution

The fourth proportional to 96,986,376.40, 145,479,564.60 and 71,477,208.40 is: 107,215,812.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,986,376.40 : 145,479,564.60 = 71,477,208.40 : x
  2. Step 2: Convert to fraction form
    96,986,376.40/145,479,564.60 = 71,477,208.40/x
  3. Step 3: Cross multiply
    96,986,376.40x = 145,479,564.60 × 71,477,208.40
  4. Step 4: Simplify right side
    96,986,376.40x = 10,398,473,156,855,464
  5. Step 5: Solve for x
    x = 10,398,473,156,855,464/96,986,376.40
  6. Step 6: Final answer
    x = 107,215,812.60

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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.