Home / 137,187,309,580.42-205,710,307,959.56-61,575,640,264.26

Finding the Fourth Proportional to 137,187,309,580.42, 205,710,307,959.56 and 61,575,640,264.26

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Solution

The fourth proportional to 137,187,309,580.42, 205,710,307,959.56 and 61,575,640,264.26 is: 92,331,746,721.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,187,309,580.42 : 205,710,307,959.56 = 61,575,640,264.26 : x
  2. Step 2: Convert to fraction form
    137,187,309,580.42/205,710,307,959.56 = 61,575,640,264.26/x
  3. Step 3: Cross multiply
    137,187,309,580.42x = 205,710,307,959.56 × 61,575,640,264.26
  4. Step 4: Simplify right side
    137,187,309,580.42x = 12,666,743,921,568,007,585,792
  5. Step 5: Solve for x
    x = 12,666,743,921,568,007,585,792/137,187,309,580.42
  6. Step 6: Final answer
    x = 92,331,746,721.39

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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.