Home / 111,062,085.84-153,263,757-61,501,477.20

Finding the Fourth Proportional to 111,062,085.84, 153,263,757 and 61,501,477.20

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Solution

The fourth proportional to 111,062,085.84, 153,263,757 and 61,501,477.20 is: 84,870,974.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,062,085.84 : 153,263,757 = 61,501,477.20 : x
  2. Step 2: Convert to fraction form
    111,062,085.84/153,263,757 = 61,501,477.20/x
  3. Step 3: Cross multiply
    111,062,085.84x = 153,263,757 × 61,501,477.20
  4. Step 4: Simplify right side
    111,062,085.84x = 9,425,947,456,721,840
  5. Step 5: Solve for x
    x = 9,425,947,456,721,840/111,062,085.84
  6. Step 6: Final answer
    x = 84,870,974.51

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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.