Home / 103,076,762.79-142,246,023.63-56,667,806.31

Finding the Fourth Proportional to 103,076,762.79, 142,246,023.63 and 56,667,806.31

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Solution

The fourth proportional to 103,076,762.79, 142,246,023.63 and 56,667,806.31 is: 78,201,622.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,076,762.79 : 142,246,023.63 = 56,667,806.31 : x
  2. Step 2: Convert to fraction form
    103,076,762.79/142,246,023.63 = 56,667,806.31/x
  3. Step 3: Cross multiply
    103,076,762.79x = 142,246,023.63 × 56,667,806.31
  4. Step 4: Simplify right side
    103,076,762.79x = 8,060,770,115,432,523
  5. Step 5: Solve for x
    x = 8,060,770,115,432,523/103,076,762.79
  6. Step 6: Final answer
    x = 78,201,622.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.