Home / 108,558,045.20-162,837,067.80-48,091,869.20

Finding the Fourth Proportional to 108,558,045.20, 162,837,067.80 and 48,091,869.20

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Solution

The fourth proportional to 108,558,045.20, 162,837,067.80 and 48,091,869.20 is: 72,137,803.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,558,045.20 : 162,837,067.80 = 48,091,869.20 : x
  2. Step 2: Convert to fraction form
    108,558,045.20/162,837,067.80 = 48,091,869.20/x
  3. Step 3: Cross multiply
    108,558,045.20x = 162,837,067.80 × 48,091,869.20
  4. Step 4: Simplify right side
    108,558,045.20x = 7,831,138,965,549,133
  5. Step 5: Solve for x
    x = 7,831,138,965,549,133/108,558,045.20
  6. Step 6: Final answer
    x = 72,137,803.80

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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.