Home / 355,588,134.10-533,382,201.15-209,872,114.90

Finding the Fourth Proportional to 355,588,134.10, 533,382,201.15 and 209,872,114.90

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Solution

The fourth proportional to 355,588,134.10, 533,382,201.15 and 209,872,114.90 is: 314,808,172.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,588,134.10 : 533,382,201.15 = 209,872,114.90 : x
  2. Step 2: Convert to fraction form
    355,588,134.10/533,382,201.15 = 209,872,114.90/x
  3. Step 3: Cross multiply
    355,588,134.10x = 533,382,201.15 × 209,872,114.90
  4. Step 4: Simplify right side
    355,588,134.10x = 111,942,050,605,367,712
  5. Step 5: Solve for x
    x = 111,942,050,605,367,712/355,588,134.10
  6. Step 6: Final answer
    x = 314,808,172.35

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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.