Home / 210,032,005.80-315,048,008.70-56,677,816.20

Finding the Fourth Proportional to 210,032,005.80, 315,048,008.70 and 56,677,816.20

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Solution

The fourth proportional to 210,032,005.80, 315,048,008.70 and 56,677,816.20 is: 85,016,724.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,032,005.80 : 315,048,008.70 = 56,677,816.20 : x
  2. Step 2: Convert to fraction form
    210,032,005.80/315,048,008.70 = 56,677,816.20/x
  3. Step 3: Cross multiply
    210,032,005.80x = 315,048,008.70 × 56,677,816.20
  4. Step 4: Simplify right side
    210,032,005.80x = 17,856,233,131,274,602
  5. Step 5: Solve for x
    x = 17,856,233,131,274,602/210,032,005.80
  6. Step 6: Final answer
    x = 85,016,724.30

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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.