Home / 115,182,671.70-172,774,007.55-111,994,025.70

Finding the Fourth Proportional to 115,182,671.70, 172,774,007.55 and 111,994,025.70

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Solution

The fourth proportional to 115,182,671.70, 172,774,007.55 and 111,994,025.70 is: 167,991,038.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,182,671.70 : 172,774,007.55 = 111,994,025.70 : x
  2. Step 2: Convert to fraction form
    115,182,671.70/172,774,007.55 = 111,994,025.70/x
  3. Step 3: Cross multiply
    115,182,671.70x = 172,774,007.55 × 111,994,025.70
  4. Step 4: Simplify right side
    115,182,671.70x = 19,349,656,641,846,696
  5. Step 5: Solve for x
    x = 19,349,656,641,846,696/115,182,671.70
  6. Step 6: Final answer
    x = 167,991,038.55

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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.