Home / 186,626,587.60-279,939,881.40-84,589,915.60

Finding the Fourth Proportional to 186,626,587.60, 279,939,881.40 and 84,589,915.60

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Solution

The fourth proportional to 186,626,587.60, 279,939,881.40 and 84,589,915.60 is: 126,884,873.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,626,587.60 : 279,939,881.40 = 84,589,915.60 : x
  2. Step 2: Convert to fraction form
    186,626,587.60/279,939,881.40 = 84,589,915.60/x
  3. Step 3: Cross multiply
    186,626,587.60x = 279,939,881.40 × 84,589,915.60
  4. Step 4: Simplify right side
    186,626,587.60x = 23,680,090,940,700,008
  5. Step 5: Solve for x
    x = 23,680,090,940,700,008/186,626,587.60
  6. Step 6: Final answer
    x = 126,884,873.40

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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.