Home / 219,677,698-303,155,223.96-121,908,287.44

Finding the Fourth Proportional to 219,677,698, 303,155,223.96 and 121,908,287.44

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Solution

The fourth proportional to 219,677,698, 303,155,223.96 and 121,908,287.44 is: 168,233,437.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,677,698 : 303,155,223.96 = 121,908,287.44 : x
  2. Step 2: Convert to fraction form
    219,677,698/303,155,223.96 = 121,908,287.44/x
  3. Step 3: Cross multiply
    219,677,698x = 303,155,223.96 × 121,908,287.44
  4. Step 4: Simplify right side
    219,677,698x = 36,957,134,181,453,248
  5. Step 5: Solve for x
    x = 36,957,134,181,453,248/219,677,698
  6. Step 6: Final answer
    x = 168,233,437.07

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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.