Home / 142,164,003.60-212,868,091.80-142,164,003.60

Finding the Fourth Proportional to 142,164,003.60, 212,868,091.80 and 142,164,003.60

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Solution

The fourth proportional to 142,164,003.60, 212,868,091.80 and 142,164,003.60 is: 212,868,091.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,164,003.60 : 212,868,091.80 = 142,164,003.60 : x
  2. Step 2: Convert to fraction form
    142,164,003.60/212,868,091.80 = 142,164,003.60/x
  3. Step 3: Cross multiply
    142,164,003.60x = 212,868,091.80 × 142,164,003.60
  4. Step 4: Simplify right side
    142,164,003.60x = 30,262,180,168,980,332
  5. Step 5: Solve for x
    x = 30,262,180,168,980,332/142,164,003.60
  6. Step 6: Final answer
    x = 212,868,091.80

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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.