Home / 77,987,646.07-107,626,314.58-43,180,339.58

Finding the Fourth Proportional to 77,987,646.07, 107,626,314.58 and 43,180,339.58

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Solution

The fourth proportional to 77,987,646.07, 107,626,314.58 and 43,180,339.58 is: 59,590,730.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,987,646.07 : 107,626,314.58 = 43,180,339.58 : x
  2. Step 2: Convert to fraction form
    77,987,646.07/107,626,314.58 = 43,180,339.58/x
  3. Step 3: Cross multiply
    77,987,646.07x = 107,626,314.58 × 43,180,339.58
  4. Step 4: Simplify right side
    77,987,646.07x = 4,647,340,811,913,893
  5. Step 5: Solve for x
    x = 4,647,340,811,913,893/77,987,646.07
  6. Step 6: Final answer
    x = 59,590,730.66

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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.