Home / 74,931,754.65-112,405,341.09-28,284,532.09

Finding the Fourth Proportional to 74,931,754.65, 112,405,341.09 and 28,284,532.09

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Solution

The fourth proportional to 74,931,754.65, 112,405,341.09 and 28,284,532.09 is: 42,429,708.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,931,754.65 : 112,405,341.09 = 28,284,532.09 : x
  2. Step 2: Convert to fraction form
    74,931,754.65/112,405,341.09 = 28,284,532.09/x
  3. Step 3: Cross multiply
    74,931,754.65x = 112,405,341.09 × 28,284,532.09
  4. Step 4: Simplify right side
    74,931,754.65x = 3,179,332,477,147,500.50
  5. Step 5: Solve for x
    x = 3,179,332,477,147,500.50/74,931,754.65
  6. Step 6: Final answer
    x = 42,429,708.10

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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.