Home / 230,328,035.70-345,492,053.55-74,881,543.20

Finding the Fourth Proportional to 230,328,035.70, 345,492,053.55 and 74,881,543.20

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Solution

The fourth proportional to 230,328,035.70, 345,492,053.55 and 74,881,543.20 is: 112,322,314.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,328,035.70 : 345,492,053.55 = 74,881,543.20 : x
  2. Step 2: Convert to fraction form
    230,328,035.70/345,492,053.55 = 74,881,543.20/x
  3. Step 3: Cross multiply
    230,328,035.70x = 345,492,053.55 × 74,881,543.20
  4. Step 4: Simplify right side
    230,328,035.70x = 25,870,978,133,161,040
  5. Step 5: Solve for x
    x = 25,870,978,133,161,040/230,328,035.70
  6. Step 6: Final answer
    x = 112,322,314.80

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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.