Home / 100,199,866.48-138,275,836.04-61,041,631.44

Finding the Fourth Proportional to 100,199,866.48, 138,275,836.04 and 61,041,631.44

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Solution

The fourth proportional to 100,199,866.48, 138,275,836.04 and 61,041,631.44 is: 84,237,463.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,199,866.48 : 138,275,836.04 = 61,041,631.44 : x
  2. Step 2: Convert to fraction form
    100,199,866.48/138,275,836.04 = 61,041,631.44/x
  3. Step 3: Cross multiply
    100,199,866.48x = 138,275,836.04 × 61,041,631.44
  4. Step 4: Simplify right side
    100,199,866.48x = 8,440,582,620,611,548
  5. Step 5: Solve for x
    x = 8,440,582,620,611,548/100,199,866.48
  6. Step 6: Final answer
    x = 84,237,463.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.