Home / 57,113,618,220.09-78,733,725,083.46-39,913,068,564.81

Finding the Fourth Proportional to 57,113,618,220.09, 78,733,725,083.46 and 39,913,068,564.81

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Solution

The fourth proportional to 57,113,618,220.09, 78,733,725,083.46 and 39,913,068,564.81 is: 55,021,983,645.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,113,618,220.09 : 78,733,725,083.46 = 39,913,068,564.81 : x
  2. Step 2: Convert to fraction form
    57,113,618,220.09/78,733,725,083.46 = 39,913,068,564.81/x
  3. Step 3: Cross multiply
    57,113,618,220.09x = 78,733,725,083.46 × 39,913,068,564.81
  4. Step 4: Simplify right side
    57,113,618,220.09x = 3,142,504,567,619,039,789,056
  5. Step 5: Solve for x
    x = 3,142,504,567,619,039,789,056/57,113,618,220.09
  6. Step 6: Final answer
    x = 55,021,983,645.11

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Double scale
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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.