Home / 354,634,308.60-531,951,462.90-124,626,643.80

Finding the Fourth Proportional to 354,634,308.60, 531,951,462.90 and 124,626,643.80

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Solution

The fourth proportional to 354,634,308.60, 531,951,462.90 and 124,626,643.80 is: 186,939,965.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,634,308.60 : 531,951,462.90 = 124,626,643.80 : x
  2. Step 2: Convert to fraction form
    354,634,308.60/531,951,462.90 = 124,626,643.80/x
  3. Step 3: Cross multiply
    354,634,308.60x = 531,951,462.90 × 124,626,643.80
  4. Step 4: Simplify right side
    354,634,308.60x = 66,295,325,485,727,208
  5. Step 5: Solve for x
    x = 66,295,325,485,727,208/354,634,308.60
  6. Step 6: Final answer
    x = 186,939,965.70

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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.