Home / 232,590,653.58-320,977,254.51-128,172,461.70

Finding the Fourth Proportional to 232,590,653.58, 320,977,254.51 and 128,172,461.70

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Solution

The fourth proportional to 232,590,653.58, 320,977,254.51 and 128,172,461.70 is: 176,879,183.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,590,653.58 : 320,977,254.51 = 128,172,461.70 : x
  2. Step 2: Convert to fraction form
    232,590,653.58/320,977,254.51 = 128,172,461.70/x
  3. Step 3: Cross multiply
    232,590,653.58x = 320,977,254.51 × 128,172,461.70
  4. Step 4: Simplify right side
    232,590,653.58x = 41,140,444,860,254,128
  5. Step 5: Solve for x
    x = 41,140,444,860,254,128/232,590,653.58
  6. Step 6: Final answer
    x = 176,879,183.35

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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.