Home / 74,931,755.16-112,405,341.84-28,284,532.59

Finding the Fourth Proportional to 74,931,755.16, 112,405,341.84 and 28,284,532.59

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Solution

The fourth proportional to 74,931,755.16, 112,405,341.84 and 28,284,532.59 is: 42,429,708.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,931,755.16 : 112,405,341.84 = 28,284,532.59 : x
  2. Step 2: Convert to fraction form
    74,931,755.16/112,405,341.84 = 28,284,532.59/x
  3. Step 3: Cross multiply
    74,931,755.16x = 112,405,341.84 × 28,284,532.59
  4. Step 4: Simplify right side
    74,931,755.16x = 3,179,332,554,563,570.50
  5. Step 5: Solve for x
    x = 3,179,332,554,563,570.50/74,931,755.16
  6. Step 6: Final answer
    x = 42,429,708.84

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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.