Home / 84,788,002.80-127,191,335.40-30,946,978.80

Finding the Fourth Proportional to 84,788,002.80, 127,191,335.40 and 30,946,978.80

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Solution

The fourth proportional to 84,788,002.80, 127,191,335.40 and 30,946,978.80 is: 46,423,874.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,788,002.80 : 127,191,335.40 = 30,946,978.80 : x
  2. Step 2: Convert to fraction form
    84,788,002.80/127,191,335.40 = 30,946,978.80/x
  3. Step 3: Cross multiply
    84,788,002.80x = 127,191,335.40 × 30,946,978.80
  4. Step 4: Simplify right side
    84,788,002.80x = 3,936,187,560,167,490
  5. Step 5: Solve for x
    x = 3,936,187,560,167,490/84,788,002.80
  6. Step 6: Final answer
    x = 46,423,874.02

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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.