Home / 70,055,289.71-96,682,275.59-39,121,435.07

Finding the Fourth Proportional to 70,055,289.71, 96,682,275.59 and 39,121,435.07

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Solution

The fourth proportional to 70,055,289.71, 96,682,275.59 and 39,121,435.07 is: 53,990,917.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,055,289.71 : 96,682,275.59 = 39,121,435.07 : x
  2. Step 2: Convert to fraction form
    70,055,289.71/96,682,275.59 = 39,121,435.07/x
  3. Step 3: Cross multiply
    70,055,289.71x = 96,682,275.59 × 39,121,435.07
  4. Step 4: Simplify right side
    70,055,289.71x = 3,782,349,366,235,012
  5. Step 5: Solve for x
    x = 3,782,349,366,235,012/70,055,289.71
  6. Step 6: Final answer
    x = 53,990,917.49

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Double scale
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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.