Home / 158,977,152.40-238,465,728.60-138,821,760.40

Finding the Fourth Proportional to 158,977,152.40, 238,465,728.60 and 138,821,760.40

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Solution

The fourth proportional to 158,977,152.40, 238,465,728.60 and 138,821,760.40 is: 208,232,640.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,977,152.40 : 238,465,728.60 = 138,821,760.40 : x
  2. Step 2: Convert to fraction form
    158,977,152.40/238,465,728.60 = 138,821,760.40/x
  3. Step 3: Cross multiply
    158,977,152.40x = 238,465,728.60 × 138,821,760.40
  4. Step 4: Simplify right side
    158,977,152.40x = 33,104,232,239,320,628
  5. Step 5: Solve for x
    x = 33,104,232,239,320,628/158,977,152.40
  6. Step 6: Final answer
    x = 208,232,640.60

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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.