Home / 186,366,945.80-279,547,794.30-84,130,819.40

Finding the Fourth Proportional to 186,366,945.80, 279,547,794.30 and 84,130,819.40

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Solution

The fourth proportional to 186,366,945.80, 279,547,794.30 and 84,130,819.40 is: 126,195,044.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,366,945.80 : 279,547,794.30 = 84,130,819.40 : x
  2. Step 2: Convert to fraction form
    186,366,945.80/279,547,794.30 = 84,130,819.40/x
  3. Step 3: Cross multiply
    186,366,945.80x = 279,547,794.30 × 84,130,819.40
  4. Step 4: Simplify right side
    186,366,945.80x = 23,518,584,995,921,652
  5. Step 5: Solve for x
    x = 23,518,584,995,921,652/186,366,945.80
  6. Step 6: Final answer
    x = 126,195,044.38

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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.