Home / 210,032,004.80-315,048,007.20-56,677,815.20

Finding the Fourth Proportional to 210,032,004.80, 315,048,007.20 and 56,677,815.20

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Solution

The fourth proportional to 210,032,004.80, 315,048,007.20 and 56,677,815.20 is: 85,016,722.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,032,004.80 : 315,048,007.20 = 56,677,815.20 : x
  2. Step 2: Convert to fraction form
    210,032,004.80/315,048,007.20 = 56,677,815.20/x
  3. Step 3: Cross multiply
    210,032,004.80x = 315,048,007.20 × 56,677,815.20
  4. Step 4: Simplify right side
    210,032,004.80x = 17,856,232,731,209,870
  5. Step 5: Solve for x
    x = 17,856,232,731,209,870/210,032,004.80
  6. Step 6: Final answer
    x = 85,016,722.80

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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.