Home / 118,882,828.71-164,076,236.28-72,499,987.17

Finding the Fourth Proportional to 118,882,828.71, 164,076,236.28 and 72,499,987.17

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Solution

The fourth proportional to 118,882,828.71, 164,076,236.28 and 72,499,987.17 is: 100,060,918.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,882,828.71 : 164,076,236.28 = 72,499,987.17 : x
  2. Step 2: Convert to fraction form
    118,882,828.71/164,076,236.28 = 72,499,987.17/x
  3. Step 3: Cross multiply
    118,882,828.71x = 164,076,236.28 × 72,499,987.17
  4. Step 4: Simplify right side
    118,882,828.71x = 11,895,525,025,201,888
  5. Step 5: Solve for x
    x = 11,895,525,025,201,888/118,882,828.71
  6. Step 6: Final answer
    x = 100,060,918.42

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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.