Home / 121,937,559.65-168,274,016.64-66,183,000.06

Finding the Fourth Proportional to 121,937,559.65, 168,274,016.64 and 66,183,000.06

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Solution

The fourth proportional to 121,937,559.65, 168,274,016.64 and 66,183,000.06 is: 91,332,640.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,937,559.65 : 168,274,016.64 = 66,183,000.06 : x
  2. Step 2: Convert to fraction form
    121,937,559.65/168,274,016.64 = 66,183,000.06/x
  3. Step 3: Cross multiply
    121,937,559.65x = 168,274,016.64 × 66,183,000.06
  4. Step 4: Simplify right side
    121,937,559.65x = 11,136,879,253,764,402
  5. Step 5: Solve for x
    x = 11,136,879,253,764,402/121,937,559.65
  6. Step 6: Final answer
    x = 91,332,640.13

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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.