Home / 215,535,699.09-323,507,946.65-133,406,142.65

Finding the Fourth Proportional to 215,535,699.09, 323,507,946.65 and 133,406,142.65

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Solution

The fourth proportional to 215,535,699.09, 323,507,946.65 and 133,406,142.65 is: 200,235,726.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,535,699.09 : 323,507,946.65 = 133,406,142.65 : x
  2. Step 2: Convert to fraction form
    215,535,699.09/323,507,946.65 = 133,406,142.65/x
  3. Step 3: Cross multiply
    215,535,699.09x = 323,507,946.65 × 133,406,142.65
  4. Step 4: Simplify right side
    215,535,699.09x = 43,157,947,276,913,912
  5. Step 5: Solve for x
    x = 43,157,947,276,913,912/215,535,699.09
  6. Step 6: Final answer
    x = 200,235,726.42

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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.