Home / 127,656,209.20-191,484,313.80-35,539,769.20

Finding the Fourth Proportional to 127,656,209.20, 191,484,313.80 and 35,539,769.20

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Solution

The fourth proportional to 127,656,209.20, 191,484,313.80 and 35,539,769.20 is: 53,309,653.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,656,209.20 : 191,484,313.80 = 35,539,769.20 : x
  2. Step 2: Convert to fraction form
    127,656,209.20/191,484,313.80 = 35,539,769.20/x
  3. Step 3: Cross multiply
    127,656,209.20x = 191,484,313.80 × 35,539,769.20
  4. Step 4: Simplify right side
    127,656,209.20x = 6,805,308,317,872,376
  5. Step 5: Solve for x
    x = 6,805,308,317,872,376/127,656,209.20
  6. Step 6: Final answer
    x = 53,309,653.80

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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.