Home / 215,535,700.59-323,507,948.88-133,406,144.16

Finding the Fourth Proportional to 215,535,700.59, 323,507,948.88 and 133,406,144.16

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Solution

The fourth proportional to 215,535,700.59, 323,507,948.88 and 133,406,144.16 is: 200,235,728.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,535,700.59 : 323,507,948.88 = 133,406,144.16 : x
  2. Step 2: Convert to fraction form
    215,535,700.59/323,507,948.88 = 133,406,144.16/x
  3. Step 3: Cross multiply
    215,535,700.59x = 323,507,948.88 × 133,406,144.16
  4. Step 4: Simplify right side
    215,535,700.59x = 43,157,948,065,191,192
  5. Step 5: Solve for x
    x = 43,157,948,065,191,192/215,535,700.59
  6. Step 6: Final answer
    x = 200,235,728.68

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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.