Home / 67,070,347.38-100,605,395.59-21,015,742.14

Finding the Fourth Proportional to 67,070,347.38, 100,605,395.59 and 21,015,742.14

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Solution

The fourth proportional to 67,070,347.38, 100,605,395.59 and 21,015,742.14 is: 31,523,573.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,070,347.38 : 100,605,395.59 = 21,015,742.14 : x
  2. Step 2: Convert to fraction form
    67,070,347.38/100,605,395.59 = 21,015,742.14/x
  3. Step 3: Cross multiply
    67,070,347.38x = 100,605,395.59 × 21,015,742.14
  4. Step 4: Simplify right side
    67,070,347.38x = 2,114,297,051,559,594
  5. Step 5: Solve for x
    x = 2,114,297,051,559,594/67,070,347.38
  6. Step 6: Final answer
    x = 31,523,573.89

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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.