Home / 147,781,990,852.77-203,954,347,638.54-89,914,478,868.03

Finding the Fourth Proportional to 147,781,990,852.77, 203,954,347,638.54 and 89,914,478,868.03

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Solution

The fourth proportional to 147,781,990,852.77, 203,954,347,638.54 and 89,914,478,868.03 is: 124,091,229,079.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,781,990,852.77 : 203,954,347,638.54 = 89,914,478,868.03 : x
  2. Step 2: Convert to fraction form
    147,781,990,852.77/203,954,347,638.54 = 89,914,478,868.03/x
  3. Step 3: Cross multiply
    147,781,990,852.77x = 203,954,347,638.54 × 89,914,478,868.03
  4. Step 4: Simplify right side
    147,781,990,852.77x = 18,338,448,880,788,349,911,040
  5. Step 5: Solve for x
    x = 18,338,448,880,788,349,911,040/147,781,990,852.77
  6. Step 6: Final answer
    x = 124,091,229,079.86

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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.