Home / 283,721,009.80-425,250,840.30-130,382,566.60

Finding the Fourth Proportional to 283,721,009.80, 425,250,840.30 and 130,382,566.60

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Solution

The fourth proportional to 283,721,009.80, 425,250,840.30 and 130,382,566.60 is: 195,421,890.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,721,009.80 : 425,250,840.30 = 130,382,566.60 : x
  2. Step 2: Convert to fraction form
    283,721,009.80/425,250,840.30 = 130,382,566.60/x
  3. Step 3: Cross multiply
    283,721,009.80x = 425,250,840.30 × 130,382,566.60
  4. Step 4: Simplify right side
    283,721,009.80x = 55,445,296,007,120,712
  5. Step 5: Solve for x
    x = 55,445,296,007,120,712/283,721,009.80
  6. Step 6: Final answer
    x = 195,421,890.14

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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.