Home / 278,001,846.60-417,152,069.10-116,460,112.20

Finding the Fourth Proportional to 278,001,846.60, 417,152,069.10 and 116,460,112.20

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Solution

The fourth proportional to 278,001,846.60, 417,152,069.10 and 116,460,112.20 is: 174,752,712.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,001,846.60 : 417,152,069.10 = 116,460,112.20 : x
  2. Step 2: Convert to fraction form
    278,001,846.60/417,152,069.10 = 116,460,112.20/x
  3. Step 3: Cross multiply
    278,001,846.60x = 417,152,069.10 × 116,460,112.20
  4. Step 4: Simplify right side
    278,001,846.60x = 48,581,576,771,848,160
  5. Step 5: Solve for x
    x = 48,581,576,771,848,160/278,001,846.60
  6. Step 6: Final answer
    x = 174,752,712.49

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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.