Home / 53,893,264.80-80,839,897.20-19,807,557.60

Finding the Fourth Proportional to 53,893,264.80, 80,839,897.20 and 19,807,557.60

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Solution

The fourth proportional to 53,893,264.80, 80,839,897.20 and 19,807,557.60 is: 29,711,336.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,893,264.80 : 80,839,897.20 = 19,807,557.60 : x
  2. Step 2: Convert to fraction form
    53,893,264.80/80,839,897.20 = 19,807,557.60/x
  3. Step 3: Cross multiply
    53,893,264.80x = 80,839,897.20 × 19,807,557.60
  4. Step 4: Simplify right side
    53,893,264.80x = 1,601,240,920,167,079
  5. Step 5: Solve for x
    x = 1,601,240,920,167,079/53,893,264.80
  6. Step 6: Final answer
    x = 29,711,336.40

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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.