Home / 130,045,406.85-195,111,473.43-86,497,844.25

Finding the Fourth Proportional to 130,045,406.85, 195,111,473.43 and 86,497,844.25

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Solution

The fourth proportional to 130,045,406.85, 195,111,473.43 and 86,497,844.25 is: 129,775,608.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,045,406.85 : 195,111,473.43 = 86,497,844.25 : x
  2. Step 2: Convert to fraction form
    130,045,406.85/195,111,473.43 = 86,497,844.25/x
  3. Step 3: Cross multiply
    130,045,406.85x = 195,111,473.43 × 86,497,844.25
  4. Step 4: Simplify right side
    130,045,406.85x = 16,876,721,840,136,154
  5. Step 5: Solve for x
    x = 16,876,721,840,136,154/130,045,406.85
  6. Step 6: Final answer
    x = 129,775,608.76

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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.