Home / 113,663,999.60-170,495,999.40-102,693,273.20

Finding the Fourth Proportional to 113,663,999.60, 170,495,999.40 and 102,693,273.20

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Solution

The fourth proportional to 113,663,999.60, 170,495,999.40 and 102,693,273.20 is: 154,039,909.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,663,999.60 : 170,495,999.40 = 102,693,273.20 : x
  2. Step 2: Convert to fraction form
    113,663,999.60/170,495,999.40 = 102,693,273.20/x
  3. Step 3: Cross multiply
    113,663,999.60x = 170,495,999.40 × 102,693,273.20
  4. Step 4: Simplify right side
    113,663,999.60x = 17,508,792,245,891,238
  5. Step 5: Solve for x
    x = 17,508,792,245,891,238/113,663,999.60
  6. Step 6: Final answer
    x = 154,039,909.80

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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.