Home / 84,890,237.20-127,335,355.80-27,384,384.40

Finding the Fourth Proportional to 84,890,237.20, 127,335,355.80 and 27,384,384.40

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Solution

The fourth proportional to 84,890,237.20, 127,335,355.80 and 27,384,384.40 is: 41,076,576.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,890,237.20 : 127,335,355.80 = 27,384,384.40 : x
  2. Step 2: Convert to fraction form
    84,890,237.20/127,335,355.80 = 27,384,384.40/x
  3. Step 3: Cross multiply
    84,890,237.20x = 127,335,355.80 × 27,384,384.40
  4. Step 4: Simplify right side
    84,890,237.20x = 3,487,000,330,937,969
  5. Step 5: Solve for x
    x = 3,487,000,330,937,969/84,890,237.20
  6. Step 6: Final answer
    x = 41,076,576.60

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1.5x scale

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.