Home / 109,364,457.40-164,046,686.10-107,663,846.20

Finding the Fourth Proportional to 109,364,457.40, 164,046,686.10 and 107,663,846.20

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Solution

The fourth proportional to 109,364,457.40, 164,046,686.10 and 107,663,846.20 is: 161,495,769.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,364,457.40 : 164,046,686.10 = 107,663,846.20 : x
  2. Step 2: Convert to fraction form
    109,364,457.40/164,046,686.10 = 107,663,846.20/x
  3. Step 3: Cross multiply
    109,364,457.40x = 164,046,686.10 × 107,663,846.20
  4. Step 4: Simplify right side
    109,364,457.40x = 17,661,897,181,890,078
  5. Step 5: Solve for x
    x = 17,661,897,181,890,078/109,364,457.40
  6. Step 6: Final answer
    x = 161,495,769.30

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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.