Home / 105,358,398-158,092,089.04-76,450,570.40

Finding the Fourth Proportional to 105,358,398, 158,092,089.04 and 76,450,570.40

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Solution

The fourth proportional to 105,358,398, 158,092,089.04 and 76,450,570.40 is: 114,715,396.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,358,398 : 158,092,089.04 = 76,450,570.40 : x
  2. Step 2: Convert to fraction form
    105,358,398/158,092,089.04 = 76,450,570.40/x
  3. Step 3: Cross multiply
    105,358,398x = 158,092,089.04 × 76,450,570.40
  4. Step 4: Simplify right side
    105,358,398x = 12,086,230,382,835,588
  5. Step 5: Solve for x
    x = 12,086,230,382,835,588/105,358,398
  6. Step 6: Final answer
    x = 114,715,396.33

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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.