Home / 78,906,059,539.68-108,898,478,115.84-48,008,537,875.20

Finding the Fourth Proportional to 78,906,059,539.68, 108,898,478,115.84 and 48,008,537,875.20

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Solution

The fourth proportional to 78,906,059,539.68, 108,898,478,115.84 and 48,008,537,875.20 is: 66,256,720,227.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,906,059,539.68 : 108,898,478,115.84 = 48,008,537,875.20 : x
  2. Step 2: Convert to fraction form
    78,906,059,539.68/108,898,478,115.84 = 48,008,537,875.20/x
  3. Step 3: Cross multiply
    78,906,059,539.68x = 108,898,478,115.84 × 48,008,537,875.20
  4. Step 4: Simplify right side
    78,906,059,539.68x = 5,228,056,711,175,942,963,200
  5. Step 5: Solve for x
    x = 5,228,056,711,175,942,963,200/78,906,059,539.68
  6. Step 6: Final answer
    x = 66,256,720,227.51

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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.