Home / 81,574,070.40-122,379,540.12-26,986,527

Finding the Fourth Proportional to 81,574,070.40, 122,379,540.12 and 26,986,527

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Solution

The fourth proportional to 81,574,070.40, 122,379,540.12 and 26,986,527 is: 40,485,889.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,574,070.40 : 122,379,540.12 = 26,986,527 : x
  2. Step 2: Convert to fraction form
    81,574,070.40/122,379,540.12 = 26,986,527/x
  3. Step 3: Cross multiply
    81,574,070.40x = 122,379,540.12 × 26,986,527
  4. Step 4: Simplify right side
    81,574,070.40x = 3,302,598,763,695,963.50
  5. Step 5: Solve for x
    x = 3,302,598,763,695,963.50/81,574,070.40
  6. Step 6: Final answer
    x = 40,485,889.05

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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.