Home / 179,671,345.40-269,507,018.10-115,101,263.90

Finding the Fourth Proportional to 179,671,345.40, 269,507,018.10 and 115,101,263.90

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Solution

The fourth proportional to 179,671,345.40, 269,507,018.10 and 115,101,263.90 is: 172,651,895.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,671,345.40 : 269,507,018.10 = 115,101,263.90 : x
  2. Step 2: Convert to fraction form
    179,671,345.40/269,507,018.10 = 115,101,263.90/x
  3. Step 3: Cross multiply
    179,671,345.40x = 269,507,018.10 × 115,101,263.90
  4. Step 4: Simplify right side
    179,671,345.40x = 31,020,598,413,230,180
  5. Step 5: Solve for x
    x = 31,020,598,413,230,180/179,671,345.40
  6. Step 6: Final answer
    x = 172,651,895.85

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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.