Home / 117,889,656.96-176,005,577.01-90,078,020.82

Finding the Fourth Proportional to 117,889,656.96, 176,005,577.01 and 90,078,020.82

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Solution

The fourth proportional to 117,889,656.96, 176,005,577.01 and 90,078,020.82 is: 134,483,672.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,889,656.96 : 176,005,577.01 = 90,078,020.82 : x
  2. Step 2: Convert to fraction form
    117,889,656.96/176,005,577.01 = 90,078,020.82/x
  3. Step 3: Cross multiply
    117,889,656.96x = 176,005,577.01 × 90,078,020.82
  4. Step 4: Simplify right side
    117,889,656.96x = 15,854,234,030,342,892
  5. Step 5: Solve for x
    x = 15,854,234,030,342,892/117,889,656.96
  6. Step 6: Final answer
    x = 134,483,672.61

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.