Home / 127,584,127.80-191,376,191.70-126,828,300.60

Finding the Fourth Proportional to 127,584,127.80, 191,376,191.70 and 126,828,300.60

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Solution

The fourth proportional to 127,584,127.80, 191,376,191.70 and 126,828,300.60 is: 190,242,450.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,584,127.80 : 191,376,191.70 = 126,828,300.60 : x
  2. Step 2: Convert to fraction form
    127,584,127.80/191,376,191.70 = 126,828,300.60/x
  3. Step 3: Cross multiply
    127,584,127.80x = 191,376,191.70 × 126,828,300.60
  4. Step 4: Simplify right side
    127,584,127.80x = 24,271,917,168,610,824
  5. Step 5: Solve for x
    x = 24,271,917,168,610,824/127,584,127.80
  6. Step 6: Final answer
    x = 190,242,450.90

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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.