Home / 186,209,359.76-256,976,889-103,703,144.24

Finding the Fourth Proportional to 186,209,359.76, 256,976,889 and 103,703,144.24

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Solution

The fourth proportional to 186,209,359.76, 256,976,889 and 103,703,144.24 is: 143,114,779.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,209,359.76 : 256,976,889 = 103,703,144.24 : x
  2. Step 2: Convert to fraction form
    186,209,359.76/256,976,889 = 103,703,144.24/x
  3. Step 3: Cross multiply
    186,209,359.76x = 256,976,889 × 103,703,144.24
  4. Step 4: Simplify right side
    186,209,359.76x = 26,649,311,386,313,468
  5. Step 5: Solve for x
    x = 26,649,311,386,313,468/186,209,359.76
  6. Step 6: Final answer
    x = 143,114,779.09

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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.