Home / 413,672,090.04-620,317,359.54-122,435,073.72

Finding the Fourth Proportional to 413,672,090.04, 620,317,359.54 and 122,435,073.72

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Solution

The fourth proportional to 413,672,090.04, 620,317,359.54 and 122,435,073.72 is: 183,596,146.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,672,090.04 : 620,317,359.54 = 122,435,073.72 : x
  2. Step 2: Convert to fraction form
    413,672,090.04/620,317,359.54 = 122,435,073.72/x
  3. Step 3: Cross multiply
    413,672,090.04x = 620,317,359.54 × 122,435,073.72
  4. Step 4: Simplify right side
    413,672,090.04x = 75,948,601,645,075,632
  5. Step 5: Solve for x
    x = 75,948,601,645,075,632/413,672,090.04
  6. Step 6: Final answer
    x = 183,596,146.50

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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.