Home / 76,209,509.25-105,171,277.80-43,169,748.48

Finding the Fourth Proportional to 76,209,509.25, 105,171,277.80 and 43,169,748.48

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Solution

The fourth proportional to 76,209,509.25, 105,171,277.80 and 43,169,748.48 is: 59,575,473.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,209,509.25 : 105,171,277.80 = 43,169,748.48 : x
  2. Step 2: Convert to fraction form
    76,209,509.25/105,171,277.80 = 43,169,748.48/x
  3. Step 3: Cross multiply
    76,209,509.25x = 105,171,277.80 × 43,169,748.48
  4. Step 4: Simplify right side
    76,209,509.25x = 4,540,217,609,946,207
  5. Step 5: Solve for x
    x = 4,540,217,609,946,207/76,209,509.25
  6. Step 6: Final answer
    x = 59,575,473.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.