Home / 161,935,277.20-242,902,915.80-146,314,848.40

Finding the Fourth Proportional to 161,935,277.20, 242,902,915.80 and 146,314,848.40

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Solution

The fourth proportional to 161,935,277.20, 242,902,915.80 and 146,314,848.40 is: 219,472,272.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,935,277.20 : 242,902,915.80 = 146,314,848.40 : x
  2. Step 2: Convert to fraction form
    161,935,277.20/242,902,915.80 = 146,314,848.40/x
  3. Step 3: Cross multiply
    161,935,277.20x = 242,902,915.80 × 146,314,848.40
  4. Step 4: Simplify right side
    161,935,277.20x = 35,540,303,301,194,968
  5. Step 5: Solve for x
    x = 35,540,303,301,194,968/161,935,277.20
  6. Step 6: Final answer
    x = 219,472,272.60

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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.