Home / 108,889,341.20-163,334,011.80-84,230,478.80

Finding the Fourth Proportional to 108,889,341.20, 163,334,011.80 and 84,230,478.80

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Solution

The fourth proportional to 108,889,341.20, 163,334,011.80 and 84,230,478.80 is: 126,345,718.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,889,341.20 : 163,334,011.80 = 84,230,478.80 : x
  2. Step 2: Convert to fraction form
    108,889,341.20/163,334,011.80 = 84,230,478.80/x
  3. Step 3: Cross multiply
    108,889,341.20x = 163,334,011.80 × 84,230,478.80
  4. Step 4: Simplify right side
    108,889,341.20x = 13,757,702,018,238,850
  5. Step 5: Solve for x
    x = 13,757,702,018,238,850/108,889,341.20
  6. Step 6: Final answer
    x = 126,345,718.20

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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.