Home / 42,670,542.15-63,979,893.90-16,731,768.51

Finding the Fourth Proportional to 42,670,542.15, 63,979,893.90 and 16,731,768.51

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Solution

The fourth proportional to 42,670,542.15, 63,979,893.90 and 16,731,768.51 is: 25,087,489.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,670,542.15 : 63,979,893.90 = 16,731,768.51 : x
  2. Step 2: Convert to fraction form
    42,670,542.15/63,979,893.90 = 16,731,768.51/x
  3. Step 3: Cross multiply
    42,670,542.15x = 63,979,893.90 × 16,731,768.51
  4. Step 4: Simplify right side
    42,670,542.15x = 1,070,496,774,029,161
  5. Step 5: Solve for x
    x = 1,070,496,774,029,161/42,670,542.15
  6. Step 6: Final answer
    x = 25,087,489.40

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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.