Home / 153,184,087.34-211,393,037.31-87,104,590.46

Finding the Fourth Proportional to 153,184,087.34, 211,393,037.31 and 87,104,590.46

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Solution

The fourth proportional to 153,184,087.34, 211,393,037.31 and 87,104,590.46 is: 120,203,764.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,184,087.34 : 211,393,037.31 = 87,104,590.46 : x
  2. Step 2: Convert to fraction form
    153,184,087.34/211,393,037.31 = 87,104,590.46/x
  3. Step 3: Cross multiply
    153,184,087.34x = 211,393,037.31 × 87,104,590.46
  4. Step 4: Simplify right side
    153,184,087.34x = 18,413,303,940,983,048
  5. Step 5: Solve for x
    x = 18,413,303,940,983,048/153,184,087.34
  6. Step 6: Final answer
    x = 120,203,764.38

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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.