Home / 141,728,782.16-195,585,721.80-76,538,686.16

Finding the Fourth Proportional to 141,728,782.16, 195,585,721.80 and 76,538,686.16

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Solution

The fourth proportional to 141,728,782.16, 195,585,721.80 and 76,538,686.16 is: 105,623,388.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,728,782.16 : 195,585,721.80 = 76,538,686.16 : x
  2. Step 2: Convert to fraction form
    141,728,782.16/195,585,721.80 = 76,538,686.16/x
  3. Step 3: Cross multiply
    141,728,782.16x = 195,585,721.80 × 76,538,686.16
  4. Step 4: Simplify right side
    141,728,782.16x = 14,969,874,178,227,270
  5. Step 5: Solve for x
    x = 14,969,874,178,227,270/141,728,782.16
  6. Step 6: Final answer
    x = 105,623,388.21

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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.