Home / 190,010,230.80-284,791,397.40-142,085,187.60

Finding the Fourth Proportional to 190,010,230.80, 284,791,397.40 and 142,085,187.60

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Solution

The fourth proportional to 190,010,230.80, 284,791,397.40 and 142,085,187.60 is: 212,960,317.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,010,230.80 : 284,791,397.40 = 142,085,187.60 : x
  2. Step 2: Convert to fraction form
    190,010,230.80/284,791,397.40 = 142,085,187.60/x
  3. Step 3: Cross multiply
    190,010,230.80x = 284,791,397.40 × 142,085,187.60
  4. Step 4: Simplify right side
    190,010,230.80x = 40,464,639,126,445,144
  5. Step 5: Solve for x
    x = 40,464,639,126,445,144/190,010,230.80
  6. Step 6: Final answer
    x = 212,960,317.75

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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.