Home / 220,308,084.73-304,030,829.73-121,191,378.49

Finding the Fourth Proportional to 220,308,084.73, 304,030,829.73 and 121,191,378.49

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Solution

The fourth proportional to 220,308,084.73, 304,030,829.73 and 121,191,378.49 is: 167,247,222.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,308,084.73 : 304,030,829.73 = 121,191,378.49 : x
  2. Step 2: Convert to fraction form
    220,308,084.73/304,030,829.73 = 121,191,378.49/x
  3. Step 3: Cross multiply
    220,308,084.73x = 304,030,829.73 × 121,191,378.49
  4. Step 4: Simplify right side
    220,308,084.73x = 36,845,915,358,437,176
  5. Step 5: Solve for x
    x = 36,845,915,358,437,176/220,308,084.73
  6. Step 6: Final answer
    x = 167,247,222.92

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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.