Home / 51,091,289.40-76,670,782.08-28,078,295.16

Finding the Fourth Proportional to 51,091,289.40, 76,670,782.08 and 28,078,295.16

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Solution

The fourth proportional to 51,091,289.40, 76,670,782.08 and 28,078,295.16 is: 42,136,044.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,091,289.40 : 76,670,782.08 = 28,078,295.16 : x
  2. Step 2: Convert to fraction form
    51,091,289.40/76,670,782.08 = 28,078,295.16/x
  3. Step 3: Cross multiply
    51,091,289.40x = 76,670,782.08 × 28,078,295.16
  4. Step 4: Simplify right side
    51,091,289.40x = 2,152,784,849,390,278.75
  5. Step 5: Solve for x
    x = 2,152,784,849,390,278.75/51,091,289.40
  6. Step 6: Final answer
    x = 42,136,044.61

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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.