Home / 202,106,561.04-278,908,722.06-111,582,967.80

Finding the Fourth Proportional to 202,106,561.04, 278,908,722.06 and 111,582,967.80

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Solution

The fourth proportional to 202,106,561.04, 278,908,722.06 and 111,582,967.80 is: 153,985,416.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,106,561.04 : 278,908,722.06 = 111,582,967.80 : x
  2. Step 2: Convert to fraction form
    202,106,561.04/278,908,722.06 = 111,582,967.80/x
  3. Step 3: Cross multiply
    202,106,561.04x = 278,908,722.06 × 111,582,967.80
  4. Step 4: Simplify right side
    202,106,561.04x = 31,121,462,952,760,128
  5. Step 5: Solve for x
    x = 31,121,462,952,760,128/202,106,561.04
  6. Step 6: Final answer
    x = 153,985,416.37

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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.