Home / 102,455,169.56-141,389,255.76-56,045,423.96

Finding the Fourth Proportional to 102,455,169.56, 141,389,255.76 and 56,045,423.96

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Solution

The fourth proportional to 102,455,169.56, 141,389,255.76 and 56,045,423.96 is: 77,343,298.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,455,169.56 : 141,389,255.76 = 56,045,423.96 : x
  2. Step 2: Convert to fraction form
    102,455,169.56/141,389,255.76 = 56,045,423.96/x
  3. Step 3: Cross multiply
    102,455,169.56x = 141,389,255.76 × 56,045,423.96
  4. Step 4: Simplify right side
    102,455,169.56x = 7,924,220,782,458,072
  5. Step 5: Solve for x
    x = 7,924,220,782,458,072/102,455,169.56
  6. Step 6: Final answer
    x = 77,343,298.70

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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.