Home / 442,544,923.40-663,818,959.50-135,837,062.60

Finding the Fourth Proportional to 442,544,923.40, 663,818,959.50 and 135,837,062.60

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Solution

The fourth proportional to 442,544,923.40, 663,818,959.50 and 135,837,062.60 is: 203,756,077.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,544,923.40 : 663,818,959.50 = 135,837,062.60 : x
  2. Step 2: Convert to fraction form
    442,544,923.40/663,818,959.50 = 135,837,062.60/x
  3. Step 3: Cross multiply
    442,544,923.40x = 663,818,959.50 × 135,837,062.60
  4. Step 4: Simplify right side
    442,544,923.40x = 90,171,217,556,668,368
  5. Step 5: Solve for x
    x = 90,171,217,556,668,368/442,544,923.40
  6. Step 6: Final answer
    x = 203,756,077.15

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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.