Home / 123,760,452.18-170,779,425.87-71,552,852.58

Finding the Fourth Proportional to 123,760,452.18, 170,779,425.87 and 71,552,852.58

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Solution

The fourth proportional to 123,760,452.18, 170,779,425.87 and 71,552,852.58 is: 98,737,156.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,760,452.18 : 170,779,425.87 = 71,552,852.58 : x
  2. Step 2: Convert to fraction form
    123,760,452.18/170,779,425.87 = 71,552,852.58/x
  3. Step 3: Cross multiply
    123,760,452.18x = 170,779,425.87 × 71,552,852.58
  4. Step 4: Simplify right side
    123,760,452.18x = 12,219,755,082,973,148
  5. Step 5: Solve for x
    x = 12,219,755,082,973,148/123,760,452.18
  6. Step 6: Final answer
    x = 98,737,156.08

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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.