Home / 238,302,403.20-357,453,604.80-84,953,462.40

Finding the Fourth Proportional to 238,302,403.20, 357,453,604.80 and 84,953,462.40

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Solution

The fourth proportional to 238,302,403.20, 357,453,604.80 and 84,953,462.40 is: 127,430,193.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,302,403.20 : 357,453,604.80 = 84,953,462.40 : x
  2. Step 2: Convert to fraction form
    238,302,403.20/357,453,604.80 = 84,953,462.40/x
  3. Step 3: Cross multiply
    238,302,403.20x = 357,453,604.80 × 84,953,462.40
  4. Step 4: Simplify right side
    238,302,403.20x = 30,366,921,375,121,264
  5. Step 5: Solve for x
    x = 30,366,921,375,121,264/238,302,403.20
  6. Step 6: Final answer
    x = 127,430,193.60

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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.