Home / 123,900,108.96-170,975,127.36-68,894,784.48

Finding the Fourth Proportional to 123,900,108.96, 170,975,127.36 and 68,894,784.48

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Solution

The fourth proportional to 123,900,108.96, 170,975,127.36 and 68,894,784.48 is: 95,070,897.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,900,108.96 : 170,975,127.36 = 68,894,784.48 : x
  2. Step 2: Convert to fraction form
    123,900,108.96/170,975,127.36 = 68,894,784.48/x
  3. Step 3: Cross multiply
    123,900,108.96x = 170,975,127.36 × 68,894,784.48
  4. Step 4: Simplify right side
    123,900,108.96x = 11,779,294,550,907,754
  5. Step 5: Solve for x
    x = 11,779,294,550,907,754/123,900,108.96
  6. Step 6: Final answer
    x = 95,070,897.43

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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.