Home / 111,380,368.06-153,692,441.97-61,822,830.51

Finding the Fourth Proportional to 111,380,368.06, 153,692,441.97 and 61,822,830.51

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Solution

The fourth proportional to 111,380,368.06, 153,692,441.97 and 61,822,830.51 is: 85,308,586.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,380,368.06 : 153,692,441.97 = 61,822,830.51 : x
  2. Step 2: Convert to fraction form
    111,380,368.06/153,692,441.97 = 61,822,830.51/x
  3. Step 3: Cross multiply
    111,380,368.06x = 153,692,441.97 × 61,822,830.51
  4. Step 4: Simplify right side
    111,380,368.06x = 9,501,701,790,579,320
  5. Step 5: Solve for x
    x = 9,501,701,790,579,320/111,380,368.06
  6. Step 6: Final answer
    x = 85,308,586.75

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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.