Home / 438,632,085.94-657,943,056.48-106,640,976.26

Finding the Fourth Proportional to 438,632,085.94, 657,943,056.48 and 106,640,976.26

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Solution

The fourth proportional to 438,632,085.94, 657,943,056.48 and 106,640,976.26 is: 159,960,231.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,632,085.94 : 657,943,056.48 = 106,640,976.26 : x
  2. Step 2: Convert to fraction form
    438,632,085.94/657,943,056.48 = 106,640,976.26/x
  3. Step 3: Cross multiply
    438,632,085.94x = 657,943,056.48 × 106,640,976.26
  4. Step 4: Simplify right side
    438,632,085.94x = 70,163,689,868,560,280
  5. Step 5: Solve for x
    x = 70,163,689,868,560,280/438,632,085.94
  6. Step 6: Final answer
    x = 159,960,231.18

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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.