Home / 48,402,461.80-72,616,523.10-21,097,037.80

Finding the Fourth Proportional to 48,402,461.80, 72,616,523.10 and 21,097,037.80

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Solution

The fourth proportional to 48,402,461.80, 72,616,523.10 and 21,097,037.80 is: 31,651,149.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,402,461.80 : 72,616,523.10 = 21,097,037.80 : x
  2. Step 2: Convert to fraction form
    48,402,461.80/72,616,523.10 = 21,097,037.80/x
  3. Step 3: Cross multiply
    48,402,461.80x = 72,616,523.10 × 21,097,037.80
  4. Step 4: Simplify right side
    48,402,461.80x = 1,531,993,532,745,273
  5. Step 5: Solve for x
    x = 1,531,993,532,745,273/48,402,461.80
  6. Step 6: Final answer
    x = 31,651,149.05

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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.