Home / 105,805,375.61-146,013,223.35-58,122,640.43

Finding the Fourth Proportional to 105,805,375.61, 146,013,223.35 and 58,122,640.43

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Solution

The fourth proportional to 105,805,375.61, 146,013,223.35 and 58,122,640.43 is: 80,210,235.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,805,375.61 : 146,013,223.35 = 58,122,640.43 : x
  2. Step 2: Convert to fraction form
    105,805,375.61/146,013,223.35 = 58,122,640.43/x
  3. Step 3: Cross multiply
    105,805,375.61x = 146,013,223.35 × 58,122,640.43
  4. Step 4: Simplify right side
    105,805,375.61x = 8,486,674,078,833,065
  5. Step 5: Solve for x
    x = 8,486,674,078,833,065/105,805,375.61
  6. Step 6: Final answer
    x = 80,210,235.35

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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.