Home / 272,630,218.80-408,934,830.60-90,877,396.80

Finding the Fourth Proportional to 272,630,218.80, 408,934,830.60 and 90,877,396.80

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Solution

The fourth proportional to 272,630,218.80, 408,934,830.60 and 90,877,396.80 is: 136,312,595.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,630,218.80 : 408,934,830.60 = 90,877,396.80 : x
  2. Step 2: Convert to fraction form
    272,630,218.80/408,934,830.60 = 90,877,396.80/x
  3. Step 3: Cross multiply
    272,630,218.80x = 408,934,830.60 × 90,877,396.80
  4. Step 4: Simplify right side
    272,630,218.80x = 37,162,932,865,776,984
  5. Step 5: Solve for x
    x = 37,162,932,865,776,984/272,630,218.80
  6. Step 6: Final answer
    x = 136,312,595.97

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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.