Home / 57,061,330,466.21-85,517,538,325.68-31,878,030,130.00

Finding the Fourth Proportional to 57,061,330,466.21, 85,517,538,325.68 and 31,878,030,130.00

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Solution

The fourth proportional to 57,061,330,466.21, 85,517,538,325.68 and 31,878,030,130.00 is: 47,775,448,646.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,061,330,466.21 : 85,517,538,325.68 = 31,878,030,130.00 : x
  2. Step 2: Convert to fraction form
    57,061,330,466.21/85,517,538,325.68 = 31,878,030,130.00/x
  3. Step 3: Cross multiply
    57,061,330,466.21x = 85,517,538,325.68 × 31,878,030,130.00
  4. Step 4: Simplify right side
    57,061,330,466.21x = 2,726,130,663,389,028,941,824
  5. Step 5: Solve for x
    x = 2,726,130,663,389,028,941,824/57,061,330,466.21
  6. Step 6: Final answer
    x = 47,775,448,646.49

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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.