Home / 105,495,632.80-145,589,165.04-63,679,033.42

Finding the Fourth Proportional to 105,495,632.80, 145,589,165.04 and 63,679,033.42

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Solution

The fourth proportional to 105,495,632.80, 145,589,165.04 and 63,679,033.42 is: 87,880,199.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,495,632.80 : 145,589,165.04 = 63,679,033.42 : x
  2. Step 2: Convert to fraction form
    105,495,632.80/145,589,165.04 = 63,679,033.42/x
  3. Step 3: Cross multiply
    105,495,632.80x = 145,589,165.04 × 63,679,033.42
  4. Step 4: Simplify right side
    105,495,632.80x = 9,270,977,306,172,056
  5. Step 5: Solve for x
    x = 9,270,977,306,172,056/105,495,632.80
  6. Step 6: Final answer
    x = 87,880,199.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.