Home / 108,373,462.02-149,516,768.97-64,286,691.30

Finding the Fourth Proportional to 108,373,462.02, 149,516,768.97 and 64,286,691.30

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Solution

The fourth proportional to 108,373,462.02, 149,516,768.97 and 64,286,691.30 is: 88,692,731.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,373,462.02 : 149,516,768.97 = 64,286,691.30 : x
  2. Step 2: Convert to fraction form
    108,373,462.02/149,516,768.97 = 64,286,691.30/x
  3. Step 3: Cross multiply
    108,373,462.02x = 149,516,768.97 × 64,286,691.30
  4. Step 4: Simplify right side
    108,373,462.02x = 9,611,938,370,947,808
  5. Step 5: Solve for x
    x = 9,611,938,370,947,808/108,373,462.02
  6. Step 6: Final answer
    x = 88,692,731.52

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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.