Home / 190,924,830.80-286,387,246.20-109,295,493.20

Finding the Fourth Proportional to 190,924,830.80, 286,387,246.20 and 109,295,493.20

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Solution

The fourth proportional to 190,924,830.80, 286,387,246.20 and 109,295,493.20 is: 163,943,239.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,924,830.80 : 286,387,246.20 = 109,295,493.20 : x
  2. Step 2: Convert to fraction form
    190,924,830.80/286,387,246.20 = 109,295,493.20/x
  3. Step 3: Cross multiply
    190,924,830.80x = 286,387,246.20 × 109,295,493.20
  4. Step 4: Simplify right side
    190,924,830.80x = 31,300,835,319,618,824
  5. Step 5: Solve for x
    x = 31,300,835,319,618,824/190,924,830.80
  6. Step 6: Final answer
    x = 163,943,239.80

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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.