Home / 81,814,118.40-112,890,332.16-46,528,197.12

Finding the Fourth Proportional to 81,814,118.40, 112,890,332.16 and 46,528,197.12

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Solution

The fourth proportional to 81,814,118.40, 112,890,332.16 and 46,528,197.12 is: 64,201,432.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,814,118.40 : 112,890,332.16 = 46,528,197.12 : x
  2. Step 2: Convert to fraction form
    81,814,118.40/112,890,332.16 = 46,528,197.12/x
  3. Step 3: Cross multiply
    81,814,118.40x = 112,890,332.16 × 46,528,197.12
  4. Step 4: Simplify right side
    81,814,118.40x = 5,252,583,627,682,755
  5. Step 5: Solve for x
    x = 5,252,583,627,682,755/81,814,118.40
  6. Step 6: Final answer
    x = 64,201,432.84

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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.