Home / 108,889,727.30-163,145,634.15-70,531,496.90

Finding the Fourth Proportional to 108,889,727.30, 163,145,634.15 and 70,531,496.90

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Solution

The fourth proportional to 108,889,727.30, 163,145,634.15 and 70,531,496.90 is: 105,674,851.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,889,727.30 : 163,145,634.15 = 70,531,496.90 : x
  2. Step 2: Convert to fraction form
    108,889,727.30/163,145,634.15 = 70,531,496.90/x
  3. Step 3: Cross multiply
    108,889,727.30x = 163,145,634.15 × 70,531,496.90
  4. Step 4: Simplify right side
    108,889,727.30x = 11,506,905,789,299,260
  5. Step 5: Solve for x
    x = 11,506,905,789,299,260/108,889,727.30
  6. Step 6: Final answer
    x = 105,674,851.75

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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.