Home / 127,275,870.45-190,835,673.48-49,461,917.40

Finding the Fourth Proportional to 127,275,870.45, 190,835,673.48 and 49,461,917.40

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Solution

The fourth proportional to 127,275,870.45, 190,835,673.48 and 49,461,917.40 is: 74,162,512.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,275,870.45 : 190,835,673.48 = 49,461,917.40 : x
  2. Step 2: Convert to fraction form
    127,275,870.45/190,835,673.48 = 49,461,917.40/x
  3. Step 3: Cross multiply
    127,275,870.45x = 190,835,673.48 × 49,461,917.40
  4. Step 4: Simplify right side
    127,275,870.45x = 9,439,098,318,641,130
  5. Step 5: Solve for x
    x = 9,439,098,318,641,130/127,275,870.45
  6. Step 6: Final answer
    x = 74,162,512.39

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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.