Home / 295,239,458.60-442,859,187.90-172,291,567.40

Finding the Fourth Proportional to 295,239,458.60, 442,859,187.90 and 172,291,567.40

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Solution

The fourth proportional to 295,239,458.60, 442,859,187.90 and 172,291,567.40 is: 258,437,351.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,239,458.60 : 442,859,187.90 = 172,291,567.40 : x
  2. Step 2: Convert to fraction form
    295,239,458.60/442,859,187.90 = 172,291,567.40/x
  3. Step 3: Cross multiply
    295,239,458.60x = 442,859,187.90 × 172,291,567.40
  4. Step 4: Simplify right side
    295,239,458.60x = 76,300,903,620,782,112
  5. Step 5: Solve for x
    x = 76,300,903,620,782,112/295,239,458.60
  6. Step 6: Final answer
    x = 258,437,351.10

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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.