Home / 101,551,216.20-140,144,696.60-56,897,573.48

Finding the Fourth Proportional to 101,551,216.20, 140,144,696.60 and 56,897,573.48

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Solution

The fourth proportional to 101,551,216.20, 140,144,696.60 and 56,897,573.48 is: 78,520,902.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,551,216.20 : 140,144,696.60 = 56,897,573.48 : x
  2. Step 2: Convert to fraction form
    101,551,216.20/140,144,696.60 = 56,897,573.48/x
  3. Step 3: Cross multiply
    101,551,216.20x = 140,144,696.60 × 56,897,573.48
  4. Step 4: Simplify right side
    101,551,216.20x = 7,973,893,172,630,805
  5. Step 5: Solve for x
    x = 7,973,893,172,630,805/101,551,216.20
  6. Step 6: Final answer
    x = 78,520,902.76

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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.