Home / 84,543,646.20-116,670,248.84-51,503,885.36

Finding the Fourth Proportional to 84,543,646.20, 116,670,248.84 and 51,503,885.36

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Solution

The fourth proportional to 84,543,646.20, 116,670,248.84 and 51,503,885.36 is: 71,075,372.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,543,646.20 : 116,670,248.84 = 51,503,885.36 : x
  2. Step 2: Convert to fraction form
    84,543,646.20/116,670,248.84 = 51,503,885.36/x
  3. Step 3: Cross multiply
    84,543,646.20x = 116,670,248.84 × 51,503,885.36
  4. Step 4: Simplify right side
    84,543,646.20x = 6,008,971,121,178,033
  5. Step 5: Solve for x
    x = 6,008,971,121,178,033/84,543,646.20
  6. Step 6: Final answer
    x = 71,075,372.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.