Home / 108,926,998.80-163,201,541.40-70,568,768.40

Finding the Fourth Proportional to 108,926,998.80, 163,201,541.40 and 70,568,768.40

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Solution

The fourth proportional to 108,926,998.80, 163,201,541.40 and 70,568,768.40 is: 105,730,736.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,926,998.80 : 163,201,541.40 = 70,568,768.40 : x
  2. Step 2: Convert to fraction form
    108,926,998.80/163,201,541.40 = 70,568,768.40/x
  3. Step 3: Cross multiply
    108,926,998.80x = 163,201,541.40 × 70,568,768.40
  4. Step 4: Simplify right side
    108,926,998.80x = 11,516,931,777,579,614
  5. Step 5: Solve for x
    x = 11,516,931,777,579,614/108,926,998.80
  6. Step 6: Final answer
    x = 105,730,736.22

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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.