Home / 72,482,802.26-100,026,283.45-39,887,754.26

Finding the Fourth Proportional to 72,482,802.26, 100,026,283.45 and 39,887,754.26

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Solution

The fourth proportional to 72,482,802.26, 100,026,283.45 and 39,887,754.26 is: 55,045,109.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,482,802.26 : 100,026,283.45 = 39,887,754.26 : x
  2. Step 2: Convert to fraction form
    72,482,802.26/100,026,283.45 = 39,887,754.26/x
  3. Step 3: Cross multiply
    72,482,802.26x = 100,026,283.45 × 39,887,754.26
  4. Step 4: Simplify right side
    72,482,802.26x = 3,989,823,813,888,334
  5. Step 5: Solve for x
    x = 3,989,823,813,888,334/72,482,802.26
  6. Step 6: Final answer
    x = 55,045,109.87

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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.