Home / 45,359,676.60-68,039,320.10-12,570,151.30

Finding the Fourth Proportional to 45,359,676.60, 68,039,320.10 and 12,570,151.30

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Solution

The fourth proportional to 45,359,676.60, 68,039,320.10 and 12,570,151.30 is: 18,855,172.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,359,676.60 : 68,039,320.10 = 12,570,151.30 : x
  2. Step 2: Convert to fraction form
    45,359,676.60/68,039,320.10 = 12,570,151.30/x
  3. Step 3: Cross multiply
    45,359,676.60x = 68,039,320.10 × 12,570,151.30
  4. Step 4: Simplify right side
    45,359,676.60x = 855,264,547,603,083.75
  5. Step 5: Solve for x
    x = 855,264,547,603,083.75/45,359,676.60
  6. Step 6: Final answer
    x = 18,855,172.96

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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.