Home / 49,411,679.12-68,148,357.58-43,438,313.98

Finding the Fourth Proportional to 49,411,679.12, 68,148,357.58 and 43,438,313.98

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Solution

The fourth proportional to 49,411,679.12, 68,148,357.58 and 43,438,313.98 is: 59,909,920.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,411,679.12 : 68,148,357.58 = 43,438,313.98 : x
  2. Step 2: Convert to fraction form
    49,411,679.12/68,148,357.58 = 43,438,313.98/x
  3. Step 3: Cross multiply
    49,411,679.12x = 68,148,357.58 × 43,438,313.98
  4. Step 4: Simplify right side
    49,411,679.12x = 2,960,249,753,719,577.50
  5. Step 5: Solve for x
    x = 2,960,249,753,719,577.50/49,411,679.12
  6. Step 6: Final answer
    x = 59,909,920.21

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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.