Home / 202,106,558.03-278,908,717.91-111,582,964.80

Finding the Fourth Proportional to 202,106,558.03, 278,908,717.91 and 111,582,964.80

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Solution

The fourth proportional to 202,106,558.03, 278,908,717.91 and 111,582,964.80 is: 153,985,412.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,106,558.03 : 278,908,717.91 = 111,582,964.80 : x
  2. Step 2: Convert to fraction form
    202,106,558.03/278,908,717.91 = 111,582,964.80/x
  3. Step 3: Cross multiply
    202,106,558.03x = 278,908,717.91 × 111,582,964.80
  4. Step 4: Simplify right side
    202,106,558.03x = 31,121,461,652,406,740
  5. Step 5: Solve for x
    x = 31,121,461,652,406,740/202,106,558.03
  6. Step 6: Final answer
    x = 153,985,412.23

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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.