Home / 209,746,642,721.42-289,449,822,534.27-117,046,525,250.57

Finding the Fourth Proportional to 209,746,642,721.42, 289,449,822,534.27 and 117,046,525,250.57

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Solution

The fourth proportional to 209,746,642,721.42, 289,449,822,534.27 and 117,046,525,250.57 is: 161,523,901,038.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,746,642,721.42 : 289,449,822,534.27 = 117,046,525,250.57 : x
  2. Step 2: Convert to fraction form
    209,746,642,721.42/289,449,822,534.27 = 117,046,525,250.57/x
  3. Step 3: Cross multiply
    209,746,642,721.42x = 289,449,822,534.27 × 117,046,525,250.57
  4. Step 4: Simplify right side
    209,746,642,721.42x = 33,879,095,962,030,443,593,728
  5. Step 5: Solve for x
    x = 33,879,095,962,030,443,593,728/209,746,642,721.42
  6. Step 6: Final answer
    x = 161,523,901,038.21

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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.