Home / 136,807,166.51-205,168,307.82-49,357,315.23

Finding the Fourth Proportional to 136,807,166.51, 205,168,307.82 and 49,357,315.23

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Solution

The fourth proportional to 136,807,166.51, 205,168,307.82 and 49,357,315.23 is: 74,020,660.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,807,166.51 : 205,168,307.82 = 49,357,315.23 : x
  2. Step 2: Convert to fraction form
    136,807,166.51/205,168,307.82 = 49,357,315.23/x
  3. Step 3: Cross multiply
    136,807,166.51x = 205,168,307.82 × 49,357,315.23
  4. Step 4: Simplify right side
    136,807,166.51x = 10,126,556,844,277,414
  5. Step 5: Solve for x
    x = 10,126,556,844,277,414/136,807,166.51
  6. Step 6: Final answer
    x = 74,020,660.63

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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.