Home / 130,090,636.96-179,525,335.60-71,353,780.16

Finding the Fourth Proportional to 130,090,636.96, 179,525,335.60 and 71,353,780.16

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Solution

The fourth proportional to 130,090,636.96, 179,525,335.60 and 71,353,780.16 is: 98,468,357.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,090,636.96 : 179,525,335.60 = 71,353,780.16 : x
  2. Step 2: Convert to fraction form
    130,090,636.96/179,525,335.60 = 71,353,780.16/x
  3. Step 3: Cross multiply
    130,090,636.96x = 179,525,335.60 × 71,353,780.16
  4. Step 4: Simplify right side
    130,090,636.96x = 12,809,811,329,552,620
  5. Step 5: Solve for x
    x = 12,809,811,329,552,620/130,090,636.96
  6. Step 6: Final answer
    x = 98,468,357.36

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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.