Home / 186,051,360-256,750,876.80-103,564,630.92

Finding the Fourth Proportional to 186,051,360, 256,750,876.80 and 103,564,630.92

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Solution

The fourth proportional to 186,051,360, 256,750,876.80 and 103,564,630.92 is: 142,919,190.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,051,360 : 256,750,876.80 = 103,564,630.92 : x
  2. Step 2: Convert to fraction form
    186,051,360/256,750,876.80 = 103,564,630.92/x
  3. Step 3: Cross multiply
    186,051,360x = 256,750,876.80 × 103,564,630.92
  4. Step 4: Simplify right side
    186,051,360x = 26,590,309,794,178,392
  5. Step 5: Solve for x
    x = 26,590,309,794,178,392/186,051,360
  6. Step 6: Final answer
    x = 142,919,190.67

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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.