Home / 83,609,856,274.40-125,414,784,411.60-77,224,628,088.80

Finding the Fourth Proportional to 83,609,856,274.40, 125,414,784,411.60 and 77,224,628,088.80

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Solution

The fourth proportional to 83,609,856,274.40, 125,414,784,411.60 and 77,224,628,088.80 is: 115,836,942,133.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,609,856,274.40 : 125,414,784,411.60 = 77,224,628,088.80 : x
  2. Step 2: Convert to fraction form
    83,609,856,274.40/125,414,784,411.60 = 77,224,628,088.80/x
  3. Step 3: Cross multiply
    83,609,856,274.40x = 125,414,784,411.60 × 77,224,628,088.80
  4. Step 4: Simplify right side
    83,609,856,274.40x = 9,685,110,083,022,841,970,688
  5. Step 5: Solve for x
    x = 9,685,110,083,022,841,970,688/83,609,856,274.40
  6. Step 6: Final answer
    x = 115,836,942,133.20

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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.