Home / 146,763,315.20-220,144,972.80-98,390,374.40

Finding the Fourth Proportional to 146,763,315.20, 220,144,972.80 and 98,390,374.40

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Solution

The fourth proportional to 146,763,315.20, 220,144,972.80 and 98,390,374.40 is: 147,585,561.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,763,315.20 : 220,144,972.80 = 98,390,374.40 : x
  2. Step 2: Convert to fraction form
    146,763,315.20/220,144,972.80 = 98,390,374.40/x
  3. Step 3: Cross multiply
    146,763,315.20x = 220,144,972.80 × 98,390,374.40
  4. Step 4: Simplify right side
    146,763,315.20x = 21,660,146,296,069,820
  5. Step 5: Solve for x
    x = 21,660,146,296,069,820/146,763,315.20
  6. Step 6: Final answer
    x = 147,585,561.60

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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.