Home / 105,416,728.36-145,476,570.54-60,738,007.72

Finding the Fourth Proportional to 105,416,728.36, 145,476,570.54 and 60,738,007.72

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Solution

The fourth proportional to 105,416,728.36, 145,476,570.54 and 60,738,007.72 is: 83,819,306.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,416,728.36 : 145,476,570.54 = 60,738,007.72 : x
  2. Step 2: Convert to fraction form
    105,416,728.36/145,476,570.54 = 60,738,007.72/x
  3. Step 3: Cross multiply
    105,416,728.36x = 145,476,570.54 × 60,738,007.72
  4. Step 4: Simplify right side
    105,416,728.36x = 8,835,957,064,537,644
  5. Step 5: Solve for x
    x = 8,835,957,064,537,644/105,416,728.36
  6. Step 6: Final answer
    x = 83,819,306.50

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1.5x scale

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.