Home / 165,920,999.40-231,858,931.95-165,920,999.40

Finding the Fourth Proportional to 165,920,999.40, 231,858,931.95 and 165,920,999.40

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Solution

The fourth proportional to 165,920,999.40, 231,858,931.95 and 165,920,999.40 is: 231,858,931.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,920,999.40 : 231,858,931.95 = 165,920,999.40 : x
  2. Step 2: Convert to fraction form
    165,920,999.40/231,858,931.95 = 165,920,999.40/x
  3. Step 3: Cross multiply
    165,920,999.40x = 231,858,931.95 × 165,920,999.40
  4. Step 4: Simplify right side
    165,920,999.40x = 38,470,265,708,960,592
  5. Step 5: Solve for x
    x = 38,470,265,708,960,592/165,920,999.40
  6. Step 6: Final answer
    x = 231,858,931.95

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.