Home / 147,510,816.08-203,559,590-81,429,895.04

Finding the Fourth Proportional to 147,510,816.08, 203,559,590 and 81,429,895.04

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Solution

The fourth proportional to 147,510,816.08, 203,559,590 and 81,429,895.04 is: 112,370,309.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,510,816.08 : 203,559,590 = 81,429,895.04 : x
  2. Step 2: Convert to fraction form
    147,510,816.08/203,559,590 = 81,429,895.04/x
  3. Step 3: Cross multiply
    147,510,816.08x = 203,559,590 × 81,429,895.04
  4. Step 4: Simplify right side
    147,510,816.08x = 16,575,836,048,085,434
  5. Step 5: Solve for x
    x = 16,575,836,048,085,434/147,510,816.08
  6. Step 6: Final answer
    x = 112,370,309.44

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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.