Home / 115,050,542.40-172,575,813.60-84,817,454.40

Finding the Fourth Proportional to 115,050,542.40, 172,575,813.60 and 84,817,454.40

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Solution

The fourth proportional to 115,050,542.40, 172,575,813.60 and 84,817,454.40 is: 127,226,181.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,050,542.40 : 172,575,813.60 = 84,817,454.40 : x
  2. Step 2: Convert to fraction form
    115,050,542.40/172,575,813.60 = 84,817,454.40/x
  3. Step 3: Cross multiply
    115,050,542.40x = 172,575,813.60 × 84,817,454.40
  4. Step 4: Simplify right side
    115,050,542.40x = 14,637,441,200,560,900
  5. Step 5: Solve for x
    x = 14,637,441,200,560,900/115,050,542.40
  6. Step 6: Final answer
    x = 127,226,181.60

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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.