Home / 56,163,119.40-84,244,679.10-47,553,775.20

Finding the Fourth Proportional to 56,163,119.40, 84,244,679.10 and 47,553,775.20

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Solution

The fourth proportional to 56,163,119.40, 84,244,679.10 and 47,553,775.20 is: 71,330,662.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,163,119.40 : 84,244,679.10 = 47,553,775.20 : x
  2. Step 2: Convert to fraction form
    56,163,119.40/84,244,679.10 = 47,553,775.20/x
  3. Step 3: Cross multiply
    56,163,119.40x = 84,244,679.10 × 47,553,775.20
  4. Step 4: Simplify right side
    56,163,119.40x = 4,006,152,531,717,538.50
  5. Step 5: Solve for x
    x = 4,006,152,531,717,538.50/56,163,119.40
  6. Step 6: Final answer
    x = 71,330,662.80

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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.