Home / 186,639,339.60-279,959,009.40-84,406,712.40

Finding the Fourth Proportional to 186,639,339.60, 279,959,009.40 and 84,406,712.40

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Solution

The fourth proportional to 186,639,339.60, 279,959,009.40 and 84,406,712.40 is: 126,610,068.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,639,339.60 : 279,959,009.40 = 84,406,712.40 : x
  2. Step 2: Convert to fraction form
    186,639,339.60/279,959,009.40 = 84,406,712.40/x
  3. Step 3: Cross multiply
    186,639,339.60x = 279,959,009.40 × 84,406,712.40
  4. Step 4: Simplify right side
    186,639,339.60x = 23,630,419,590,214,696
  5. Step 5: Solve for x
    x = 23,630,419,590,214,696/186,639,339.60
  6. Step 6: Final answer
    x = 126,610,068.60

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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.