Home / 154,840,796-213,571,509.12-101,900,636.48

Finding the Fourth Proportional to 154,840,796, 213,571,509.12 and 101,900,636.48

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Solution

The fourth proportional to 154,840,796, 213,571,509.12 and 101,900,636.48 is: 140,551,284.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,840,796 : 213,571,509.12 = 101,900,636.48 : x
  2. Step 2: Convert to fraction form
    154,840,796/213,571,509.12 = 101,900,636.48/x
  3. Step 3: Cross multiply
    154,840,796x = 213,571,509.12 × 101,900,636.48
  4. Step 4: Simplify right side
    154,840,796x = 21,763,072,713,322,128
  5. Step 5: Solve for x
    x = 21,763,072,713,322,128/154,840,796
  6. Step 6: Final answer
    x = 140,551,284.13

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1.5x scale

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.