Home / 89,363,467.20-134,045,200.80-28,779,193.20

Finding the Fourth Proportional to 89,363,467.20, 134,045,200.80 and 28,779,193.20

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Solution

The fourth proportional to 89,363,467.20, 134,045,200.80 and 28,779,193.20 is: 43,168,789.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,363,467.20 : 134,045,200.80 = 28,779,193.20 : x
  2. Step 2: Convert to fraction form
    89,363,467.20/134,045,200.80 = 28,779,193.20/x
  3. Step 3: Cross multiply
    89,363,467.20x = 134,045,200.80 × 28,779,193.20
  4. Step 4: Simplify right side
    89,363,467.20x = 3,857,712,731,355,994.50
  5. Step 5: Solve for x
    x = 3,857,712,731,355,994.50/89,363,467.20
  6. Step 6: Final answer
    x = 43,168,789.80

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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.