Home / 425,335,951.80-638,003,927.70-102,219,823.80

Finding the Fourth Proportional to 425,335,951.80, 638,003,927.70 and 102,219,823.80

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Solution

The fourth proportional to 425,335,951.80, 638,003,927.70 and 102,219,823.80 is: 153,329,735.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,335,951.80 : 638,003,927.70 = 102,219,823.80 : x
  2. Step 2: Convert to fraction form
    425,335,951.80/638,003,927.70 = 102,219,823.80/x
  3. Step 3: Cross multiply
    425,335,951.80x = 638,003,927.70 × 102,219,823.80
  4. Step 4: Simplify right side
    425,335,951.80x = 65,216,649,073,201,944
  5. Step 5: Solve for x
    x = 65,216,649,073,201,944/425,335,951.80
  6. Step 6: Final answer
    x = 153,329,735.70

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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.