Home / 127,830,367.20-191,824,282.80-55,081,999.20

Finding the Fourth Proportional to 127,830,367.20, 191,824,282.80 and 55,081,999.20

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Solution

The fourth proportional to 127,830,367.20, 191,824,282.80 and 55,081,999.20 is: 82,656,924.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,830,367.20 : 191,824,282.80 = 55,081,999.20 : x
  2. Step 2: Convert to fraction form
    127,830,367.20/191,824,282.80 = 55,081,999.20/x
  3. Step 3: Cross multiply
    127,830,367.20x = 191,824,282.80 × 55,081,999.20
  4. Step 4: Simplify right side
    127,830,367.20x = 10,566,064,991,730,174
  5. Step 5: Solve for x
    x = 10,566,064,991,730,174/127,830,367.20
  6. Step 6: Final answer
    x = 82,656,924.35

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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.