Home / 45,509,615.40-68,264,423.10-18,228,977.40

Finding the Fourth Proportional to 45,509,615.40, 68,264,423.10 and 18,228,977.40

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Solution

The fourth proportional to 45,509,615.40, 68,264,423.10 and 18,228,977.40 is: 27,343,466.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,509,615.40 : 68,264,423.10 = 18,228,977.40 : x
  2. Step 2: Convert to fraction form
    45,509,615.40/68,264,423.10 = 18,228,977.40/x
  3. Step 3: Cross multiply
    45,509,615.40x = 68,264,423.10 × 18,228,977.40
  4. Step 4: Simplify right side
    45,509,615.40x = 1,244,390,625,913,937.75
  5. Step 5: Solve for x
    x = 1,244,390,625,913,937.75/45,509,615.40
  6. Step 6: Final answer
    x = 27,343,466.10

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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.