Home / 190,308,155.32-262,679,988.95-114,942,512.08

Finding the Fourth Proportional to 190,308,155.32, 262,679,988.95 and 114,942,512.08

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Solution

The fourth proportional to 190,308,155.32, 262,679,988.95 and 114,942,512.08 is: 158,653,725.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,308,155.32 : 262,679,988.95 = 114,942,512.08 : x
  2. Step 2: Convert to fraction form
    190,308,155.32/262,679,988.95 = 114,942,512.08/x
  3. Step 3: Cross multiply
    190,308,155.32x = 262,679,988.95 × 114,942,512.08
  4. Step 4: Simplify right side
    190,308,155.32x = 30,193,097,803,059,640
  5. Step 5: Solve for x
    x = 30,193,097,803,059,640/190,308,155.32
  6. Step 6: Final answer
    x = 158,653,725.33

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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.