Home / 156,717,121.80-235,108,860.30-47,533,326.60

Finding the Fourth Proportional to 156,717,121.80, 235,108,860.30 and 47,533,326.60

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Solution

The fourth proportional to 156,717,121.80, 235,108,860.30 and 47,533,326.60 is: 71,310,052.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,717,121.80 : 235,108,860.30 = 47,533,326.60 : x
  2. Step 2: Convert to fraction form
    156,717,121.80/235,108,860.30 = 47,533,326.60/x
  3. Step 3: Cross multiply
    156,717,121.80x = 235,108,860.30 × 47,533,326.60
  4. Step 4: Simplify right side
    156,717,121.80x = 11,175,506,243,193,674
  5. Step 5: Solve for x
    x = 11,175,506,243,193,674/156,717,121.80
  6. Step 6: Final answer
    x = 71,310,052.88

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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.