Home / 126,788,288.90-190,223,286.51-57,725,803.22

Finding the Fourth Proportional to 126,788,288.90, 190,223,286.51 and 57,725,803.22

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Solution

The fourth proportional to 126,788,288.90, 190,223,286.51 and 57,725,803.22 is: 86,607,304.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,788,288.90 : 190,223,286.51 = 57,725,803.22 : x
  2. Step 2: Convert to fraction form
    126,788,288.90/190,223,286.51 = 57,725,803.22/x
  3. Step 3: Cross multiply
    126,788,288.90x = 190,223,286.51 × 57,725,803.22
  4. Step 4: Simplify right side
    126,788,288.90x = 10,980,792,004,937,940
  5. Step 5: Solve for x
    x = 10,980,792,004,937,940/126,788,288.90
  6. Step 6: Final answer
    x = 86,607,304.98

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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.