Home / 79,489,969.20-119,234,953.80-48,878,967.60

Finding the Fourth Proportional to 79,489,969.20, 119,234,953.80 and 48,878,967.60

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Solution

The fourth proportional to 79,489,969.20, 119,234,953.80 and 48,878,967.60 is: 73,318,451.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,489,969.20 : 119,234,953.80 = 48,878,967.60 : x
  2. Step 2: Convert to fraction form
    79,489,969.20/119,234,953.80 = 48,878,967.60/x
  3. Step 3: Cross multiply
    79,489,969.20x = 119,234,953.80 × 48,878,967.60
  4. Step 4: Simplify right side
    79,489,969.20x = 5,828,081,443,577,697
  5. Step 5: Solve for x
    x = 5,828,081,443,577,697/79,489,969.20
  6. Step 6: Final answer
    x = 73,318,451.40

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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.