Home / 186,366,986.80-279,547,855.80-84,130,860.40

Finding the Fourth Proportional to 186,366,986.80, 279,547,855.80 and 84,130,860.40

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Solution

The fourth proportional to 186,366,986.80, 279,547,855.80 and 84,130,860.40 is: 126,195,105.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,366,986.80 : 279,547,855.80 = 84,130,860.40 : x
  2. Step 2: Convert to fraction form
    186,366,986.80/279,547,855.80 = 84,130,860.40/x
  3. Step 3: Cross multiply
    186,366,986.80x = 279,547,855.80 × 84,130,860.40
  4. Step 4: Simplify right side
    186,366,986.80x = 23,518,601,631,429,132
  5. Step 5: Solve for x
    x = 23,518,601,631,429,132/186,366,986.80
  6. Step 6: Final answer
    x = 126,195,105.88

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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.