Home / 121,945,688.63-182,954,466.43-49,124,997.35

Finding the Fourth Proportional to 121,945,688.63, 182,954,466.43 and 49,124,997.35

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Solution

The fourth proportional to 121,945,688.63, 182,954,466.43 and 49,124,997.35 is: 73,701,971.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,945,688.63 : 182,954,466.43 = 49,124,997.35 : x
  2. Step 2: Convert to fraction form
    121,945,688.63/182,954,466.43 = 49,124,997.35/x
  3. Step 3: Cross multiply
    121,945,688.63x = 182,954,466.43 × 49,124,997.35
  4. Step 4: Simplify right side
    121,945,688.63x = 8,987,637,677,506,829
  5. Step 5: Solve for x
    x = 8,987,637,677,506,829/121,945,688.63
  6. Step 6: Final answer
    x = 73,701,971.58

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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.