Home / 158,979,938.40-238,469,907.60-97,757,935.20

Finding the Fourth Proportional to 158,979,938.40, 238,469,907.60 and 97,757,935.20

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Solution

The fourth proportional to 158,979,938.40, 238,469,907.60 and 97,757,935.20 is: 146,636,902.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,979,938.40 : 238,469,907.60 = 97,757,935.20 : x
  2. Step 2: Convert to fraction form
    158,979,938.40/238,469,907.60 = 97,757,935.20/x
  3. Step 3: Cross multiply
    158,979,938.40x = 238,469,907.60 × 97,757,935.20
  4. Step 4: Simplify right side
    158,979,938.40x = 23,312,325,774,310,788
  5. Step 5: Solve for x
    x = 23,312,325,774,310,788/158,979,938.40
  6. Step 6: Final answer
    x = 146,636,902.80

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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.