Home / 57,113,618,242.68-78,733,725,114.42-39,913,068,587.40

Finding the Fourth Proportional to 57,113,618,242.68, 78,733,725,114.42 and 39,913,068,587.40

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Solution

The fourth proportional to 57,113,618,242.68, 78,733,725,114.42 and 39,913,068,587.40 is: 55,021,983,676.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,113,618,242.68 : 78,733,725,114.42 = 39,913,068,587.40 : x
  2. Step 2: Convert to fraction form
    57,113,618,242.68/78,733,725,114.42 = 39,913,068,587.40/x
  3. Step 3: Cross multiply
    57,113,618,242.68x = 78,733,725,114.42 × 39,913,068,587.40
  4. Step 4: Simplify right side
    57,113,618,242.68x = 3,142,504,570,633,343,467,520
  5. Step 5: Solve for x
    x = 3,142,504,570,633,343,467,520/57,113,618,242.68
  6. Step 6: Final answer
    x = 55,021,983,676.13

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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.