Home / 127,717,636.80-191,576,455.20-56,054,020.80

Finding the Fourth Proportional to 127,717,636.80, 191,576,455.20 and 56,054,020.80

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Solution

The fourth proportional to 127,717,636.80, 191,576,455.20 and 56,054,020.80 is: 84,081,031.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,717,636.80 : 191,576,455.20 = 56,054,020.80 : x
  2. Step 2: Convert to fraction form
    127,717,636.80/191,576,455.20 = 56,054,020.80/x
  3. Step 3: Cross multiply
    127,717,636.80x = 191,576,455.20 × 56,054,020.80
  4. Step 4: Simplify right side
    127,717,636.80x = 10,738,630,604,571,066
  5. Step 5: Solve for x
    x = 10,738,630,604,571,066/127,717,636.80
  6. Step 6: Final answer
    x = 84,081,031.20

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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.