Home / 101,495,146.45-140,063,437.25-55,085,400.37

Finding the Fourth Proportional to 101,495,146.45, 140,063,437.25 and 55,085,400.37

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Solution

The fourth proportional to 101,495,146.45, 140,063,437.25 and 55,085,400.37 is: 76,017,925.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,495,146.45 : 140,063,437.25 = 55,085,400.37 : x
  2. Step 2: Convert to fraction form
    101,495,146.45/140,063,437.25 = 55,085,400.37/x
  3. Step 3: Cross multiply
    101,495,146.45x = 140,063,437.25 × 55,085,400.37
  4. Step 4: Simplify right side
    101,495,146.45x = 7,715,450,518,114,621
  5. Step 5: Solve for x
    x = 7,715,450,518,114,621/101,495,146.45
  6. Step 6: Final answer
    x = 76,017,925.86

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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.