Home / 297,048,209.60-445,572,314.40-78,732,246.80

Finding the Fourth Proportional to 297,048,209.60, 445,572,314.40 and 78,732,246.80

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Solution

The fourth proportional to 297,048,209.60, 445,572,314.40 and 78,732,246.80 is: 118,098,370.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,048,209.60 : 445,572,314.40 = 78,732,246.80 : x
  2. Step 2: Convert to fraction form
    297,048,209.60/445,572,314.40 = 78,732,246.80/x
  3. Step 3: Cross multiply
    297,048,209.60x = 445,572,314.40 × 78,732,246.80
  4. Step 4: Simplify right side
    297,048,209.60x = 35,080,909,424,587,992
  5. Step 5: Solve for x
    x = 35,080,909,424,587,992/297,048,209.60
  6. Step 6: Final answer
    x = 118,098,370.20

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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.