Home / 201,955,488.87-278,686,563.65-117,176,040.03

Finding the Fourth Proportional to 201,955,488.87, 278,686,563.65 and 117,176,040.03

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Solution

The fourth proportional to 201,955,488.87, 278,686,563.65 and 117,176,040.03 is: 161,695,966.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,955,488.87 : 278,686,563.65 = 117,176,040.03 : x
  2. Step 2: Convert to fraction form
    201,955,488.87/278,686,563.65 = 117,176,040.03/x
  3. Step 3: Cross multiply
    201,955,488.87x = 278,686,563.65 × 117,176,040.03
  4. Step 4: Simplify right side
    201,955,488.87x = 32,655,387,937,489,660
  5. Step 5: Solve for x
    x = 32,655,387,937,489,660/201,955,488.87
  6. Step 6: Final answer
    x = 161,695,966.37

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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.