Home / 45,554,875.20-68,332,312.80-42,047,364.60

Finding the Fourth Proportional to 45,554,875.20, 68,332,312.80 and 42,047,364.60

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Solution

The fourth proportional to 45,554,875.20, 68,332,312.80 and 42,047,364.60 is: 63,071,046.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,554,875.20 : 68,332,312.80 = 42,047,364.60 : x
  2. Step 2: Convert to fraction form
    45,554,875.20/68,332,312.80 = 42,047,364.60/x
  3. Step 3: Cross multiply
    45,554,875.20x = 68,332,312.80 × 42,047,364.60
  4. Step 4: Simplify right side
    45,554,875.20x = 2,873,193,670,262,847
  5. Step 5: Solve for x
    x = 2,873,193,670,262,847/45,554,875.20
  6. Step 6: Final answer
    x = 63,071,046.90

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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.