Home / 159,495,564.30-239,243,346.45-78,873,996.30

Finding the Fourth Proportional to 159,495,564.30, 239,243,346.45 and 78,873,996.30

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Solution

The fourth proportional to 159,495,564.30, 239,243,346.45 and 78,873,996.30 is: 118,310,994.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,495,564.30 : 239,243,346.45 = 78,873,996.30 : x
  2. Step 2: Convert to fraction form
    159,495,564.30/239,243,346.45 = 78,873,996.30/x
  3. Step 3: Cross multiply
    159,495,564.30x = 239,243,346.45 × 78,873,996.30
  4. Step 4: Simplify right side
    159,495,564.30x = 18,870,078,822,696,916
  5. Step 5: Solve for x
    x = 18,870,078,822,696,916/159,495,564.30
  6. Step 6: Final answer
    x = 118,310,994.45

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Double scale
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Similar ratio
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1.5x scale

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.