Home / 217,172,043.60-325,773,811.80-130,724,307.60

Finding the Fourth Proportional to 217,172,043.60, 325,773,811.80 and 130,724,307.60

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Solution

The fourth proportional to 217,172,043.60, 325,773,811.80 and 130,724,307.60 is: 196,095,939.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,172,043.60 : 325,773,811.80 = 130,724,307.60 : x
  2. Step 2: Convert to fraction form
    217,172,043.60/325,773,811.80 = 130,724,307.60/x
  3. Step 3: Cross multiply
    217,172,043.60x = 325,773,811.80 × 130,724,307.60
  4. Step 4: Simplify right side
    217,172,043.60x = 42,586,555,981,767,712
  5. Step 5: Solve for x
    x = 42,586,555,981,767,712/217,172,043.60
  6. Step 6: Final answer
    x = 196,095,939.77

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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.