Home / 163,858,566.10-245,616,178-76,347,925.50

Finding the Fourth Proportional to 163,858,566.10, 245,616,178 and 76,347,925.50

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Solution

The fourth proportional to 163,858,566.10, 245,616,178 and 76,347,925.50 is: 114,441,900.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,858,566.10 : 245,616,178 = 76,347,925.50 : x
  2. Step 2: Convert to fraction form
    163,858,566.10/245,616,178 = 76,347,925.50/x
  3. Step 3: Cross multiply
    163,858,566.10x = 245,616,178 × 76,347,925.50
  4. Step 4: Simplify right side
    163,858,566.10x = 18,752,285,659,538,740
  5. Step 5: Solve for x
    x = 18,752,285,659,538,740/163,858,566.10
  6. Step 6: Final answer
    x = 114,441,900.15

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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.