Home / 140,246,907.29-193,559,957.06-80,706,980.46

Finding the Fourth Proportional to 140,246,907.29, 193,559,957.06 and 80,706,980.46

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Solution

The fourth proportional to 140,246,907.29, 193,559,957.06 and 80,706,980.46 is: 111,386,696.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,246,907.29 : 193,559,957.06 = 80,706,980.46 : x
  2. Step 2: Convert to fraction form
    140,246,907.29/193,559,957.06 = 80,706,980.46/x
  3. Step 3: Cross multiply
    140,246,907.29x = 193,559,957.06 × 80,706,980.46
  4. Step 4: Simplify right side
    140,246,907.29x = 15,621,639,672,279,858
  5. Step 5: Solve for x
    x = 15,621,639,672,279,858/140,246,907.29
  6. Step 6: Final answer
    x = 111,386,696.32

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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.