Home / 75,841,770.64-104,664,613.96-42,803,173.84

Finding the Fourth Proportional to 75,841,770.64, 104,664,613.96 and 42,803,173.84

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Solution

The fourth proportional to 75,841,770.64, 104,664,613.96 and 42,803,173.84 is: 59,070,056.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,841,770.64 : 104,664,613.96 = 42,803,173.84 : x
  2. Step 2: Convert to fraction form
    75,841,770.64/104,664,613.96 = 42,803,173.84/x
  3. Step 3: Cross multiply
    75,841,770.64x = 104,664,613.96 × 42,803,173.84
  4. Step 4: Simplify right side
    75,841,770.64x = 4,479,977,666,226,371
  5. Step 5: Solve for x
    x = 4,479,977,666,226,371/75,841,770.64
  6. Step 6: Final answer
    x = 59,070,056.36

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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.