Home / 154,883,003.66-213,730,856.88-85,266,889.86

Finding the Fourth Proportional to 154,883,003.66, 213,730,856.88 and 85,266,889.86

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Solution

The fourth proportional to 154,883,003.66, 213,730,856.88 and 85,266,889.86 is: 117,664,075.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,883,003.66 : 213,730,856.88 = 85,266,889.86 : x
  2. Step 2: Convert to fraction form
    154,883,003.66/213,730,856.88 = 85,266,889.86/x
  3. Step 3: Cross multiply
    154,883,003.66x = 213,730,856.88 × 85,266,889.86
  4. Step 4: Simplify right side
    154,883,003.66x = 18,224,165,433,270,384
  5. Step 5: Solve for x
    x = 18,224,165,433,270,384/154,883,003.66
  6. Step 6: Final answer
    x = 117,664,075.48

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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.