Home / 115,182,605.70-172,773,908.55-111,993,959.70

Finding the Fourth Proportional to 115,182,605.70, 172,773,908.55 and 111,993,959.70

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Solution

The fourth proportional to 115,182,605.70, 172,773,908.55 and 111,993,959.70 is: 167,990,939.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,182,605.70 : 172,773,908.55 = 111,993,959.70 : x
  2. Step 2: Convert to fraction form
    115,182,605.70/172,773,908.55 = 111,993,959.70/x
  3. Step 3: Cross multiply
    115,182,605.70x = 172,773,908.55 × 111,993,959.70
  4. Step 4: Simplify right side
    115,182,605.70x = 19,349,634,151,360,188
  5. Step 5: Solve for x
    x = 19,349,634,151,360,188/115,182,605.70
  6. Step 6: Final answer
    x = 167,990,939.55

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1.5x scale

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.