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Finding the Fourth Proportional to 100,907,283.10, 151,360,924.65 and 49,888,947.10

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Solution

The fourth proportional to 100,907,283.10, 151,360,924.65 and 49,888,947.10 is: 74,833,420.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,907,283.10 : 151,360,924.65 = 49,888,947.10 : x
  2. Step 2: Convert to fraction form
    100,907,283.10/151,360,924.65 = 49,888,947.10/x
  3. Step 3: Cross multiply
    100,907,283.10x = 151,360,924.65 × 49,888,947.10
  4. Step 4: Simplify right side
    100,907,283.10x = 7,551,237,162,870,937
  5. Step 5: Solve for x
    x = 7,551,237,162,870,937/100,907,283.10
  6. Step 6: Final answer
    x = 74,833,420.65

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1.5x scale

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.