Home / 186,652,209.60-279,600,400.80-105,778,699.20

Finding the Fourth Proportional to 186,652,209.60, 279,600,400.80 and 105,778,699.20

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Solution

The fourth proportional to 186,652,209.60, 279,600,400.80 and 105,778,699.20 is: 158,453,879.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,652,209.60 : 279,600,400.80 = 105,778,699.20 : x
  2. Step 2: Convert to fraction form
    186,652,209.60/279,600,400.80 = 105,778,699.20/x
  3. Step 3: Cross multiply
    186,652,209.60x = 279,600,400.80 × 105,778,699.20
  4. Step 4: Simplify right side
    186,652,209.60x = 29,575,766,692,422,640
  5. Step 5: Solve for x
    x = 29,575,766,692,422,640/186,652,209.60
  6. Step 6: Final answer
    x = 158,453,879.31

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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.