Home / 153,160,386.06-211,362,681.71-83,546,076.54

Finding the Fourth Proportional to 153,160,386.06, 211,362,681.71 and 83,546,076.54

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Solution

The fourth proportional to 153,160,386.06, 211,362,681.71 and 83,546,076.54 is: 115,294,321.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,160,386.06 : 211,362,681.71 = 83,546,076.54 : x
  2. Step 2: Convert to fraction form
    153,160,386.06/211,362,681.71 = 83,546,076.54/x
  3. Step 3: Cross multiply
    153,160,386.06x = 211,362,681.71 × 83,546,076.54
  4. Step 4: Simplify right side
    153,160,386.06x = 17,658,522,783,843,320
  5. Step 5: Solve for x
    x = 17,658,522,783,843,320/153,160,386.06
  6. Step 6: Final answer
    x = 115,294,321.45

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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.