Home / 108,299,675.10-162,432,081.45-31,604,727.90

Finding the Fourth Proportional to 108,299,675.10, 162,432,081.45 and 31,604,727.90

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Solution

The fourth proportional to 108,299,675.10, 162,432,081.45 and 31,604,727.90 is: 47,402,004.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,299,675.10 : 162,432,081.45 = 31,604,727.90 : x
  2. Step 2: Convert to fraction form
    108,299,675.10/162,432,081.45 = 31,604,727.90/x
  3. Step 3: Cross multiply
    108,299,675.10x = 162,432,081.45 × 31,604,727.90
  4. Step 4: Simplify right side
    108,299,675.10x = 5,133,621,736,457,887
  5. Step 5: Solve for x
    x = 5,133,621,736,457,887/108,299,675.10
  6. Step 6: Final answer
    x = 47,402,004.96

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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.