Home / 210,032,764.80-315,049,147.20-56,678,575.20

Finding the Fourth Proportional to 210,032,764.80, 315,049,147.20 and 56,678,575.20

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Solution

The fourth proportional to 210,032,764.80, 315,049,147.20 and 56,678,575.20 is: 85,017,862.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,032,764.80 : 315,049,147.20 = 56,678,575.20 : x
  2. Step 2: Convert to fraction form
    210,032,764.80/315,049,147.20 = 56,678,575.20/x
  3. Step 3: Cross multiply
    210,032,764.80x = 315,049,147.20 × 56,678,575.20
  4. Step 4: Simplify right side
    210,032,764.80x = 17,856,536,781,271,070
  5. Step 5: Solve for x
    x = 17,856,536,781,271,070/210,032,764.80
  6. Step 6: Final answer
    x = 85,017,862.80

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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.