Home / 313,173,053.68-470,170,131.88-210,003,904.16

Finding the Fourth Proportional to 313,173,053.68, 470,170,131.88 and 210,003,904.16

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Solution

The fourth proportional to 313,173,053.68, 470,170,131.88 and 210,003,904.16 is: 315,281,158.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,173,053.68 : 470,170,131.88 = 210,003,904.16 : x
  2. Step 2: Convert to fraction form
    313,173,053.68/470,170,131.88 = 210,003,904.16/x
  3. Step 3: Cross multiply
    313,173,053.68x = 470,170,131.88 × 210,003,904.16
  4. Step 4: Simplify right side
    313,173,053.68x = 98,737,563,314,222,080
  5. Step 5: Solve for x
    x = 98,737,563,314,222,080/313,173,053.68
  6. Step 6: Final answer
    x = 315,281,158.94

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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.