Home / 153,807,619.80-230,711,429.70-142,129,104.60

Finding the Fourth Proportional to 153,807,619.80, 230,711,429.70 and 142,129,104.60

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Solution

The fourth proportional to 153,807,619.80, 230,711,429.70 and 142,129,104.60 is: 213,193,656.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,807,619.80 : 230,711,429.70 = 142,129,104.60 : x
  2. Step 2: Convert to fraction form
    153,807,619.80/230,711,429.70 = 142,129,104.60/x
  3. Step 3: Cross multiply
    153,807,619.80x = 230,711,429.70 × 142,129,104.60
  4. Step 4: Simplify right side
    153,807,619.80x = 32,790,808,924,246,844
  5. Step 5: Solve for x
    x = 32,790,808,924,246,844/153,807,619.80
  6. Step 6: Final answer
    x = 213,193,656.90

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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.