Home / 61,809,175.20-92,713,762.80-18,685,034.40

Finding the Fourth Proportional to 61,809,175.20, 92,713,762.80 and 18,685,034.40

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Solution

The fourth proportional to 61,809,175.20, 92,713,762.80 and 18,685,034.40 is: 28,027,551.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,809,175.20 : 92,713,762.80 = 18,685,034.40 : x
  2. Step 2: Convert to fraction form
    61,809,175.20/92,713,762.80 = 18,685,034.40/x
  3. Step 3: Cross multiply
    61,809,175.20x = 92,713,762.80 × 18,685,034.40
  4. Step 4: Simplify right side
    61,809,175.20x = 1,732,359,847,271,440.25
  5. Step 5: Solve for x
    x = 1,732,359,847,271,440.25/61,809,175.20
  6. Step 6: Final answer
    x = 28,027,551.60

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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.