Home / 195,970,385.04-270,301,444.80-128,967,995.64

Finding the Fourth Proportional to 195,970,385.04, 270,301,444.80 and 128,967,995.64

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Solution

The fourth proportional to 195,970,385.04, 270,301,444.80 and 128,967,995.64 is: 177,885,222.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,970,385.04 : 270,301,444.80 = 128,967,995.64 : x
  2. Step 2: Convert to fraction form
    195,970,385.04/270,301,444.80 = 128,967,995.64/x
  3. Step 3: Cross multiply
    195,970,385.04x = 270,301,444.80 × 128,967,995.64
  4. Step 4: Simplify right side
    195,970,385.04x = 34,860,235,554,452,104
  5. Step 5: Solve for x
    x = 34,860,235,554,452,104/195,970,385.04
  6. Step 6: Final answer
    x = 177,885,222.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.