Home / 78,713,070.20-108,626,738.10-45,670,824.44

Finding the Fourth Proportional to 78,713,070.20, 108,626,738.10 and 45,670,824.44

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Solution

The fourth proportional to 78,713,070.20, 108,626,738.10 and 45,670,824.44 is: 63,027,305.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,713,070.20 : 108,626,738.10 = 45,670,824.44 : x
  2. Step 2: Convert to fraction form
    78,713,070.20/108,626,738.10 = 45,670,824.44/x
  3. Step 3: Cross multiply
    78,713,070.20x = 108,626,738.10 × 45,670,824.44
  4. Step 4: Simplify right side
    78,713,070.20x = 4,961,072,685,254,959
  5. Step 5: Solve for x
    x = 4,961,072,685,254,959/78,713,070.20
  6. Step 6: Final answer
    x = 63,027,305.03

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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.