Home / 265,700,112.06-398,523,258.77-71,631,144.89

Finding the Fourth Proportional to 265,700,112.06, 398,523,258.77 and 71,631,144.89

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Solution

The fourth proportional to 265,700,112.06, 398,523,258.77 and 71,631,144.89 is: 107,439,462.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,700,112.06 : 398,523,258.77 = 71,631,144.89 : x
  2. Step 2: Convert to fraction form
    265,700,112.06/398,523,258.77 = 71,631,144.89/x
  3. Step 3: Cross multiply
    265,700,112.06x = 398,523,258.77 × 71,631,144.89
  4. Step 4: Simplify right side
    265,700,112.06x = 28,546,677,288,638,064
  5. Step 5: Solve for x
    x = 28,546,677,288,638,064/265,700,112.06
  6. Step 6: Final answer
    x = 107,439,462.74

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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.