Home / 293,214,909.20-439,822,363.80-120,634,365.20

Finding the Fourth Proportional to 293,214,909.20, 439,822,363.80 and 120,634,365.20

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Solution

The fourth proportional to 293,214,909.20, 439,822,363.80 and 120,634,365.20 is: 180,951,547.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,214,909.20 : 439,822,363.80 = 120,634,365.20 : x
  2. Step 2: Convert to fraction form
    293,214,909.20/439,822,363.80 = 120,634,365.20/x
  3. Step 3: Cross multiply
    293,214,909.20x = 439,822,363.80 × 120,634,365.20
  4. Step 4: Simplify right side
    293,214,909.20x = 53,057,691,657,776,464
  5. Step 5: Solve for x
    x = 53,057,691,657,776,464/293,214,909.20
  6. Step 6: Final answer
    x = 180,951,547.80

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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.