Home / 70,759,039.52-106,139,153.44-19,645,044.32

Finding the Fourth Proportional to 70,759,039.52, 106,139,153.44 and 19,645,044.32

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Solution

The fourth proportional to 70,759,039.52, 106,139,153.44 and 19,645,044.32 is: 29,467,731.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,759,039.52 : 106,139,153.44 = 19,645,044.32 : x
  2. Step 2: Convert to fraction form
    70,759,039.52/106,139,153.44 = 19,645,044.32/x
  3. Step 3: Cross multiply
    70,759,039.52x = 106,139,153.44 × 19,645,044.32
  4. Step 4: Simplify right side
    70,759,039.52x = 2,085,108,373,416,080.50
  5. Step 5: Solve for x
    x = 2,085,108,373,416,080.50/70,759,039.52
  6. Step 6: Final answer
    x = 29,467,731.44

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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.