Home / 210,503,602.48-315,731,283.84-55,072,415.60

Finding the Fourth Proportional to 210,503,602.48, 315,731,283.84 and 55,072,415.60

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Solution

The fourth proportional to 210,503,602.48, 315,731,283.84 and 55,072,415.60 is: 82,602,313.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,503,602.48 : 315,731,283.84 = 55,072,415.60 : x
  2. Step 2: Convert to fraction form
    210,503,602.48/315,731,283.84 = 55,072,415.60/x
  3. Step 3: Cross multiply
    210,503,602.48x = 315,731,283.84 × 55,072,415.60
  4. Step 4: Simplify right side
    210,503,602.48x = 17,388,084,481,558,042
  5. Step 5: Solve for x
    x = 17,388,084,481,558,042/210,503,602.48
  6. Step 6: Final answer
    x = 82,602,313.10

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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.