Home / 55,753,359.10-83,630,038.65-43,660,123.90

Finding the Fourth Proportional to 55,753,359.10, 83,630,038.65 and 43,660,123.90

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Solution

The fourth proportional to 55,753,359.10, 83,630,038.65 and 43,660,123.90 is: 65,490,185.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,753,359.10 : 83,630,038.65 = 43,660,123.90 : x
  2. Step 2: Convert to fraction form
    55,753,359.10/83,630,038.65 = 43,660,123.90/x
  3. Step 3: Cross multiply
    55,753,359.10x = 83,630,038.65 × 43,660,123.90
  4. Step 4: Simplify right side
    55,753,359.10x = 3,651,297,849,220,789
  5. Step 5: Solve for x
    x = 3,651,297,849,220,789/55,753,359.10
  6. Step 6: Final answer
    x = 65,490,185.85

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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.