Home / 274,214,209.20-378,415,567.80-156,742,061.64

Finding the Fourth Proportional to 274,214,209.20, 378,415,567.80 and 156,742,061.64

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Solution

The fourth proportional to 274,214,209.20, 378,415,567.80 and 156,742,061.64 is: 216,304,021.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,214,209.20 : 378,415,567.80 = 156,742,061.64 : x
  2. Step 2: Convert to fraction form
    274,214,209.20/378,415,567.80 = 156,742,061.64/x
  3. Step 3: Cross multiply
    274,214,209.20x = 378,415,567.80 × 156,742,061.64
  4. Step 4: Simplify right side
    274,214,209.20x = 59,313,636,253,643,192
  5. Step 5: Solve for x
    x = 59,313,636,253,643,192/274,214,209.20
  6. Step 6: Final answer
    x = 216,304,021.69

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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.