Home / 65,838,551.79-90,784,407.00-41,958,368.44

Finding the Fourth Proportional to 65,838,551.79, 90,784,407.00 and 41,958,368.44

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Solution

The fourth proportional to 65,838,551.79, 90,784,407.00 and 41,958,368.44 is: 57,856,157.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,838,551.79 : 90,784,407.00 = 41,958,368.44 : x
  2. Step 2: Convert to fraction form
    65,838,551.79/90,784,407.00 = 41,958,368.44/x
  3. Step 3: Cross multiply
    65,838,551.79x = 90,784,407.00 × 41,958,368.44
  4. Step 4: Simplify right side
    65,838,551.79x = 3,809,165,597,919,810.50
  5. Step 5: Solve for x
    x = 3,809,165,597,919,810.50/65,838,551.79
  6. Step 6: Final answer
    x = 57,856,157.14

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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.