Home / 115,151,750.40-172,643,644.80-46,959,340.80

Finding the Fourth Proportional to 115,151,750.40, 172,643,644.80 and 46,959,340.80

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Solution

The fourth proportional to 115,151,750.40, 172,643,644.80 and 46,959,340.80 is: 70,404,763.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,151,750.40 : 172,643,644.80 = 46,959,340.80 : x
  2. Step 2: Convert to fraction form
    115,151,750.40/172,643,644.80 = 46,959,340.80/x
  3. Step 3: Cross multiply
    115,151,750.40x = 172,643,644.80 × 46,959,340.80
  4. Step 4: Simplify right side
    115,151,750.40x = 8,107,231,753,117,348
  5. Step 5: Solve for x
    x = 8,107,231,753,117,348/115,151,750.40
  6. Step 6: Final answer
    x = 70,404,763.50

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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.