Home / 210,029,236.80-314,539,970.40-102,197,889.60

Finding the Fourth Proportional to 210,029,236.80, 314,539,970.40 and 102,197,889.60

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Solution

The fourth proportional to 210,029,236.80, 314,539,970.40 and 102,197,889.60 is: 153,051,649.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,029,236.80 : 314,539,970.40 = 102,197,889.60 : x
  2. Step 2: Convert to fraction form
    210,029,236.80/314,539,970.40 = 102,197,889.60/x
  3. Step 3: Cross multiply
    210,029,236.80x = 314,539,970.40 × 102,197,889.60
  4. Step 4: Simplify right side
    210,029,236.80x = 32,145,321,169,726,464
  5. Step 5: Solve for x
    x = 32,145,321,169,726,464/210,029,236.80
  6. Step 6: Final answer
    x = 153,051,649.66

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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.