Home / 262,441,819.60-393,774,703.80-126,057,000.40

Finding the Fourth Proportional to 262,441,819.60, 393,774,703.80 and 126,057,000.40

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Solution

The fourth proportional to 262,441,819.60, 393,774,703.80 and 126,057,000.40 is: 189,139,284.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,441,819.60 : 393,774,703.80 = 126,057,000.40 : x
  2. Step 2: Convert to fraction form
    262,441,819.60/393,774,703.80 = 126,057,000.40/x
  3. Step 3: Cross multiply
    262,441,819.60x = 393,774,703.80 × 126,057,000.40
  4. Step 4: Simplify right side
    262,441,819.60x = 49,638,057,994,426,488
  5. Step 5: Solve for x
    x = 49,638,057,994,426,488/262,441,819.60
  6. Step 6: Final answer
    x = 189,139,284.55

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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.