Home / 108,373,460.52-149,516,766.90-64,286,689.80

Finding the Fourth Proportional to 108,373,460.52, 149,516,766.90 and 64,286,689.80

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Solution

The fourth proportional to 108,373,460.52, 149,516,766.90 and 64,286,689.80 is: 88,692,729.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,373,460.52 : 149,516,766.90 = 64,286,689.80 : x
  2. Step 2: Convert to fraction form
    108,373,460.52/149,516,766.90 = 64,286,689.80/x
  3. Step 3: Cross multiply
    108,373,460.52x = 149,516,766.90 × 64,286,689.80
  4. Step 4: Simplify right side
    108,373,460.52x = 9,611,938,013,599,208
  5. Step 5: Solve for x
    x = 9,611,938,013,599,208/108,373,460.52
  6. Step 6: Final answer
    x = 88,692,729.45

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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.