Home / 120,806,419.80-181,272,615.30-52,656,000.60

Finding the Fourth Proportional to 120,806,419.80, 181,272,615.30 and 52,656,000.60

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Solution

The fourth proportional to 120,806,419.80, 181,272,615.30 and 52,656,000.60 is: 79,011,454.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,806,419.80 : 181,272,615.30 = 52,656,000.60 : x
  2. Step 2: Convert to fraction form
    120,806,419.80/181,272,615.30 = 52,656,000.60/x
  3. Step 3: Cross multiply
    120,806,419.80x = 181,272,615.30 × 52,656,000.60
  4. Step 4: Simplify right side
    120,806,419.80x = 9,545,090,940,000,370
  5. Step 5: Solve for x
    x = 9,545,090,940,000,370/120,806,419.80
  6. Step 6: Final answer
    x = 79,011,454.49

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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.