Home / 77,792,814.30-107,354,048.26-42,985,200.27

Finding the Fourth Proportional to 77,792,814.30, 107,354,048.26 and 42,985,200.27

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Solution

The fourth proportional to 77,792,814.30, 107,354,048.26 and 42,985,200.27 is: 59,319,556.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,792,814.30 : 107,354,048.26 = 42,985,200.27 : x
  2. Step 2: Convert to fraction form
    77,792,814.30/107,354,048.26 = 42,985,200.27/x
  3. Step 3: Cross multiply
    77,792,814.30x = 107,354,048.26 × 42,985,200.27
  4. Step 4: Simplify right side
    77,792,814.30x = 4,614,635,264,251,346
  5. Step 5: Solve for x
    x = 4,614,635,264,251,346/77,792,814.30
  6. Step 6: Final answer
    x = 59,319,556.77

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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.