Home / 77,190,033.51-106,523,769.74-42,382,419.48

Finding the Fourth Proportional to 77,190,033.51, 106,523,769.74 and 42,382,419.48

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Solution

The fourth proportional to 77,190,033.51, 106,523,769.74 and 42,382,419.48 is: 58,488,575.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,190,033.51 : 106,523,769.74 = 42,382,419.48 : x
  2. Step 2: Convert to fraction form
    77,190,033.51/106,523,769.74 = 42,382,419.48/x
  3. Step 3: Cross multiply
    77,190,033.51x = 106,523,769.74 × 42,382,419.48
  4. Step 4: Simplify right side
    77,190,033.51x = 4,514,735,093,499,698
  5. Step 5: Solve for x
    x = 4,514,735,093,499,698/77,190,033.51
  6. Step 6: Final answer
    x = 58,488,575.38

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1.5x scale

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.