Home / 219,485,159.21-302,861,681.25-120,339,816.93

Finding the Fourth Proportional to 219,485,159.21, 302,861,681.25 and 120,339,816.93

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Solution

The fourth proportional to 219,485,159.21, 302,861,681.25 and 120,339,816.93 is: 166,053,684.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,485,159.21 : 302,861,681.25 = 120,339,816.93 : x
  2. Step 2: Convert to fraction form
    219,485,159.21/302,861,681.25 = 120,339,816.93/x
  3. Step 3: Cross multiply
    219,485,159.21x = 302,861,681.25 × 120,339,816.93
  4. Step 4: Simplify right side
    219,485,159.21x = 36,446,319,276,737,016
  5. Step 5: Solve for x
    x = 36,446,319,276,737,016/219,485,159.21
  6. Step 6: Final answer
    x = 166,053,684.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.