Home / 74,749,376.40-112,124,064.60-73,489,664.40

Finding the Fourth Proportional to 74,749,376.40, 112,124,064.60 and 73,489,664.40

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Solution

The fourth proportional to 74,749,376.40, 112,124,064.60 and 73,489,664.40 is: 110,234,496.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,749,376.40 : 112,124,064.60 = 73,489,664.40 : x
  2. Step 2: Convert to fraction form
    74,749,376.40/112,124,064.60 = 73,489,664.40/x
  3. Step 3: Cross multiply
    74,749,376.40x = 112,124,064.60 × 73,489,664.40
  4. Step 4: Simplify right side
    74,749,376.40x = 8,239,959,878,617,920
  5. Step 5: Solve for x
    x = 8,239,959,878,617,920/74,749,376.40
  6. Step 6: Final answer
    x = 110,234,496.60

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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.