Home / 146,862,679.40-220,294,019.10-70,335,175.40

Finding the Fourth Proportional to 146,862,679.40, 220,294,019.10 and 70,335,175.40

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Solution

The fourth proportional to 146,862,679.40, 220,294,019.10 and 70,335,175.40 is: 105,502,763.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,862,679.40 : 220,294,019.10 = 70,335,175.40 : x
  2. Step 2: Convert to fraction form
    146,862,679.40/220,294,019.10 = 70,335,175.40/x
  3. Step 3: Cross multiply
    146,862,679.40x = 220,294,019.10 × 70,335,175.40
  4. Step 4: Simplify right side
    146,862,679.40x = 15,494,418,472,969,452
  5. Step 5: Solve for x
    x = 15,494,418,472,969,452/146,862,679.40
  6. Step 6: Final answer
    x = 105,502,763.10

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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.