Home / 103,083,020,893.23-154,646,787,161.65-31,378,142,131.38

Finding the Fourth Proportional to 103,083,020,893.23, 154,646,787,161.65 and 31,378,142,131.38

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Solution

The fourth proportional to 103,083,020,893.23, 154,646,787,161.65 and 31,378,142,131.38 is: 47,073,987,798.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,083,020,893.23 : 154,646,787,161.65 = 31,378,142,131.38 : x
  2. Step 2: Convert to fraction form
    103,083,020,893.23/154,646,787,161.65 = 31,378,142,131.38/x
  3. Step 3: Cross multiply
    103,083,020,893.23x = 154,646,787,161.65 × 31,378,142,131.38
  4. Step 4: Simplify right side
    103,083,020,893.23x = 4,852,528,867,719,525,695,488
  5. Step 5: Solve for x
    x = 4,852,528,867,719,525,695,488/103,083,020,893.23
  6. Step 6: Final answer
    x = 47,073,987,798.10

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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.