Home / 54,430,407.40-81,645,611.10-40,825,517.80

Finding the Fourth Proportional to 54,430,407.40, 81,645,611.10 and 40,825,517.80

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Solution

The fourth proportional to 54,430,407.40, 81,645,611.10 and 40,825,517.80 is: 61,238,276.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,430,407.40 : 81,645,611.10 = 40,825,517.80 : x
  2. Step 2: Convert to fraction form
    54,430,407.40/81,645,611.10 = 40,825,517.80/x
  3. Step 3: Cross multiply
    54,430,407.40x = 81,645,611.10 × 40,825,517.80
  4. Step 4: Simplify right side
    54,430,407.40x = 3,333,224,349,254,927
  5. Step 5: Solve for x
    x = 3,333,224,349,254,927/54,430,407.40
  6. Step 6: Final answer
    x = 61,238,276.70

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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.