Home / 362,021,415.60-543,032,123.40-216,902,593.20

Finding the Fourth Proportional to 362,021,415.60, 543,032,123.40 and 216,902,593.20

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Solution

The fourth proportional to 362,021,415.60, 543,032,123.40 and 216,902,593.20 is: 325,353,889.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,021,415.60 : 543,032,123.40 = 216,902,593.20 : x
  2. Step 2: Convert to fraction form
    362,021,415.60/543,032,123.40 = 216,902,593.20/x
  3. Step 3: Cross multiply
    362,021,415.60x = 543,032,123.40 × 216,902,593.20
  4. Step 4: Simplify right side
    362,021,415.60x = 117,785,075,756,362,384
  5. Step 5: Solve for x
    x = 117,785,075,756,362,384/362,021,415.60
  6. Step 6: Final answer
    x = 325,353,889.80

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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.