Home / 274,214,210.20-378,415,569.18-156,742,062.64

Finding the Fourth Proportional to 274,214,210.20, 378,415,569.18 and 156,742,062.64

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Solution

The fourth proportional to 274,214,210.20, 378,415,569.18 and 156,742,062.64 is: 216,304,023.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,214,210.20 : 378,415,569.18 = 156,742,062.64 : x
  2. Step 2: Convert to fraction form
    274,214,210.20/378,415,569.18 = 156,742,062.64/x
  3. Step 3: Cross multiply
    274,214,210.20x = 378,415,569.18 × 156,742,062.64
  4. Step 4: Simplify right side
    274,214,210.20x = 59,313,636,848,362,808
  5. Step 5: Solve for x
    x = 59,313,636,848,362,808/274,214,210.20
  6. Step 6: Final answer
    x = 216,304,023.07

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.