Home / 74,891,851.20-112,337,776.80-66,388,795.20

Finding the Fourth Proportional to 74,891,851.20, 112,337,776.80 and 66,388,795.20

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Solution

The fourth proportional to 74,891,851.20, 112,337,776.80 and 66,388,795.20 is: 99,583,192.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,891,851.20 : 112,337,776.80 = 66,388,795.20 : x
  2. Step 2: Convert to fraction form
    74,891,851.20/112,337,776.80 = 66,388,795.20/x
  3. Step 3: Cross multiply
    74,891,851.20x = 112,337,776.80 × 66,388,795.20
  4. Step 4: Simplify right side
    74,891,851.20x = 7,457,969,657,198,511
  5. Step 5: Solve for x
    x = 7,457,969,657,198,511/74,891,851.20
  6. Step 6: Final answer
    x = 99,583,192.80

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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.