Home / 103,206,529.43-142,425,034.08-56,796,783.35

Finding the Fourth Proportional to 103,206,529.43, 142,425,034.08 and 56,796,783.35

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Solution

The fourth proportional to 103,206,529.43, 142,425,034.08 and 56,796,783.35 is: 78,379,573.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,206,529.43 : 142,425,034.08 = 56,796,783.35 : x
  2. Step 2: Convert to fraction form
    103,206,529.43/142,425,034.08 = 56,796,783.35/x
  3. Step 3: Cross multiply
    103,206,529.43x = 142,425,034.08 × 56,796,783.35
  4. Step 4: Simplify right side
    103,206,529.43x = 8,089,283,803,919,257
  5. Step 5: Solve for x
    x = 8,089,283,803,919,257/103,206,529.43
  6. Step 6: Final answer
    x = 78,379,573.94

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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.