Home / 70,966,946.88-106,456,456.80-19,849,000.32

Finding the Fourth Proportional to 70,966,946.88, 106,456,456.80 and 19,849,000.32

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Solution

The fourth proportional to 70,966,946.88, 106,456,456.80 and 19,849,000.32 is: 29,775,188.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,966,946.88 : 106,456,456.80 = 19,849,000.32 : x
  2. Step 2: Convert to fraction form
    70,966,946.88/106,456,456.80 = 19,849,000.32/x
  3. Step 3: Cross multiply
    70,966,946.88x = 106,456,456.80 × 19,849,000.32
  4. Step 4: Simplify right side
    70,966,946.88x = 2,113,054,245,089,266.25
  5. Step 5: Solve for x
    x = 2,113,054,245,089,266.25/70,966,946.88
  6. Step 6: Final answer
    x = 29,775,188.84

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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.