Home / 210,630,437.04-315,959,518.71-55,188,051.24

Finding the Fourth Proportional to 210,630,437.04, 315,959,518.71 and 55,188,051.24

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Solution

The fourth proportional to 210,630,437.04, 315,959,518.71 and 55,188,051.24 is: 82,785,709.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,630,437.04 : 315,959,518.71 = 55,188,051.24 : x
  2. Step 2: Convert to fraction form
    210,630,437.04/315,959,518.71 = 55,188,051.24/x
  3. Step 3: Cross multiply
    210,630,437.04x = 315,959,518.71 × 55,188,051.24
  4. Step 4: Simplify right side
    210,630,437.04x = 17,437,190,108,333,218
  5. Step 5: Solve for x
    x = 17,437,190,108,333,218/210,630,437.04
  6. Step 6: Final answer
    x = 82,785,709.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.