Home / 71,849,946.80-107,774,920.20-26,405,836.40

Finding the Fourth Proportional to 71,849,946.80, 107,774,920.20 and 26,405,836.40

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Solution

The fourth proportional to 71,849,946.80, 107,774,920.20 and 26,405,836.40 is: 39,608,754.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,849,946.80 : 107,774,920.20 = 26,405,836.40 : x
  2. Step 2: Convert to fraction form
    71,849,946.80/107,774,920.20 = 26,405,836.40/x
  3. Step 3: Cross multiply
    71,849,946.80x = 107,774,920.20 × 26,405,836.40
  4. Step 4: Simplify right side
    71,849,946.80x = 2,845,886,910,824,255
  5. Step 5: Solve for x
    x = 2,845,886,910,824,255/71,849,946.80
  6. Step 6: Final answer
    x = 39,608,754.60

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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.