Home / 58,145,765.61-80,241,164.16-31,684,123.87

Finding the Fourth Proportional to 58,145,765.61, 80,241,164.16 and 31,684,123.87

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Solution

The fourth proportional to 58,145,765.61, 80,241,164.16 and 31,684,123.87 is: 43,724,095.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,145,765.61 : 80,241,164.16 = 31,684,123.87 : x
  2. Step 2: Convert to fraction form
    58,145,765.61/80,241,164.16 = 31,684,123.87/x
  3. Step 3: Cross multiply
    58,145,765.61x = 80,241,164.16 × 31,684,123.87
  4. Step 4: Simplify right side
    58,145,765.61x = 2,542,370,984,718,444.50
  5. Step 5: Solve for x
    x = 2,542,370,984,718,444.50/58,145,765.61
  6. Step 6: Final answer
    x = 43,724,095.09

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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.