Home / 85,839,315.84-118,457,717.76-48,676,645.44

Finding the Fourth Proportional to 85,839,315.84, 118,457,717.76 and 48,676,645.44

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Solution

The fourth proportional to 85,839,315.84, 118,457,717.76 and 48,676,645.44 is: 67,173,465.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,839,315.84 : 118,457,717.76 = 48,676,645.44 : x
  2. Step 2: Convert to fraction form
    85,839,315.84/118,457,717.76 = 48,676,645.44/x
  3. Step 3: Cross multiply
    85,839,315.84x = 118,457,717.76 × 48,676,645.44
  4. Step 4: Simplify right side
    85,839,315.84x = 5,766,124,327,035,111
  5. Step 5: Solve for x
    x = 5,766,124,327,035,111/85,839,315.84
  6. Step 6: Final answer
    x = 67,173,465.57

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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.