Home / 89,363,401.20-134,045,101.80-28,779,127.20

Finding the Fourth Proportional to 89,363,401.20, 134,045,101.80 and 28,779,127.20

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Solution

The fourth proportional to 89,363,401.20, 134,045,101.80 and 28,779,127.20 is: 43,168,690.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,363,401.20 : 134,045,101.80 = 28,779,127.20 : x
  2. Step 2: Convert to fraction form
    89,363,401.20/134,045,101.80 = 28,779,127.20/x
  3. Step 3: Cross multiply
    89,363,401.20x = 134,045,101.80 × 28,779,127.20
  4. Step 4: Simplify right side
    89,363,401.20x = 3,857,701,035,239,149
  5. Step 5: Solve for x
    x = 3,857,701,035,239,149/89,363,401.20
  6. Step 6: Final answer
    x = 43,168,690.80

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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.