Home / 186,367,048.30-279,547,948.05-84,130,921.90

Finding the Fourth Proportional to 186,367,048.30, 279,547,948.05 and 84,130,921.90

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Solution

The fourth proportional to 186,367,048.30, 279,547,948.05 and 84,130,921.90 is: 126,195,198.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,367,048.30 : 279,547,948.05 = 84,130,921.90 : x
  2. Step 2: Convert to fraction form
    186,367,048.30/279,547,948.05 = 84,130,921.90/x
  3. Step 3: Cross multiply
    186,367,048.30x = 279,547,948.05 × 84,130,921.90
  4. Step 4: Simplify right side
    186,367,048.30x = 23,518,626,584,699,808
  5. Step 5: Solve for x
    x = 23,518,626,584,699,808/186,367,048.30
  6. Step 6: Final answer
    x = 126,195,198.13

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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.