Home / 92,865,122.88-139,298,008.32-28,169,485.44

Finding the Fourth Proportional to 92,865,122.88, 139,298,008.32 and 28,169,485.44

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Solution

The fourth proportional to 92,865,122.88, 139,298,008.32 and 28,169,485.44 is: 42,254,326.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,865,122.88 : 139,298,008.32 = 28,169,485.44 : x
  2. Step 2: Convert to fraction form
    92,865,122.88/139,298,008.32 = 28,169,485.44/x
  3. Step 3: Cross multiply
    92,865,122.88x = 139,298,008.32 × 28,169,485.44
  4. Step 4: Simplify right side
    92,865,122.88x = 3,923,953,217,191,239
  5. Step 5: Solve for x
    x = 3,923,953,217,191,239/92,865,122.88
  6. Step 6: Final answer
    x = 42,254,326.44

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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.