Home / 186,190,300.80-279,411,422.40-83,901,686.40

Finding the Fourth Proportional to 186,190,300.80, 279,411,422.40 and 83,901,686.40

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Solution

The fourth proportional to 186,190,300.80, 279,411,422.40 and 83,901,686.40 is: 125,909,295.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,190,300.80 : 279,411,422.40 = 83,901,686.40 : x
  2. Step 2: Convert to fraction form
    186,190,300.80/279,411,422.40 = 83,901,686.40/x
  3. Step 3: Cross multiply
    186,190,300.80x = 279,411,422.40 × 83,901,686.40
  4. Step 4: Simplify right side
    186,190,300.80x = 23,443,089,538,782,736
  5. Step 5: Solve for x
    x = 23,443,089,538,782,736/186,190,300.80
  6. Step 6: Final answer
    x = 125,909,295.16

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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.