Home / 57,061,330,465.71-85,517,538,324.93-31,878,030,129.50

Finding the Fourth Proportional to 57,061,330,465.71, 85,517,538,324.93 and 31,878,030,129.50

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Solution

The fourth proportional to 57,061,330,465.71, 85,517,538,324.93 and 31,878,030,129.50 is: 47,775,448,645.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,061,330,465.71 : 85,517,538,324.93 = 31,878,030,129.50 : x
  2. Step 2: Convert to fraction form
    57,061,330,465.71/85,517,538,324.93 = 31,878,030,129.50/x
  3. Step 3: Cross multiply
    57,061,330,465.71x = 85,517,538,324.93 × 31,878,030,129.50
  4. Step 4: Simplify right side
    57,061,330,465.71x = 2,726,130,663,322,361,528,320
  5. Step 5: Solve for x
    x = 2,726,130,663,322,361,528,320/57,061,330,465.71
  6. Step 6: Final answer
    x = 47,775,448,645.74

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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.