Home / 74,643,605.40-111,965,408.10-61,889,021.40

Finding the Fourth Proportional to 74,643,605.40, 111,965,408.10 and 61,889,021.40

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Solution

The fourth proportional to 74,643,605.40, 111,965,408.10 and 61,889,021.40 is: 92,833,532.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,643,605.40 : 111,965,408.10 = 61,889,021.40 : x
  2. Step 2: Convert to fraction form
    74,643,605.40/111,965,408.10 = 61,889,021.40/x
  3. Step 3: Cross multiply
    74,643,605.40x = 111,965,408.10 × 61,889,021.40
  4. Step 4: Simplify right side
    74,643,605.40x = 6,929,429,537,960,633
  5. Step 5: Solve for x
    x = 6,929,429,537,960,633/74,643,605.40
  6. Step 6: Final answer
    x = 92,833,532.10

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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.