Home / 218,797,769-301,941,830.94-118,326,206.18

Finding the Fourth Proportional to 218,797,769, 301,941,830.94 and 118,326,206.18

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Solution

The fourth proportional to 218,797,769, 301,941,830.94 and 118,326,206.18 is: 163,290,656.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,797,769 : 301,941,830.94 = 118,326,206.18 : x
  2. Step 2: Convert to fraction form
    218,797,769/301,941,830.94 = 118,326,206.18/x
  3. Step 3: Cross multiply
    218,797,769x = 301,941,830.94 × 118,326,206.18
  4. Step 4: Simplify right side
    218,797,769x = 35,727,631,342,173,144
  5. Step 5: Solve for x
    x = 35,727,631,342,173,144/218,797,769
  6. Step 6: Final answer
    x = 163,290,656.51

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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.