Home / 87,400,869.52-120,613,206.96-48,242,656.36

Finding the Fourth Proportional to 87,400,869.52, 120,613,206.96 and 48,242,656.36

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Solution

The fourth proportional to 87,400,869.52, 120,613,206.96 and 48,242,656.36 is: 66,574,869.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,400,869.52 : 120,613,206.96 = 48,242,656.36 : x
  2. Step 2: Convert to fraction form
    87,400,869.52/120,613,206.96 = 48,242,656.36/x
  3. Step 3: Cross multiply
    87,400,869.52x = 120,613,206.96 × 48,242,656.36
  4. Step 4: Simplify right side
    87,400,869.52x = 5,818,701,495,848,840
  5. Step 5: Solve for x
    x = 5,818,701,495,848,840/87,400,869.52
  6. Step 6: Final answer
    x = 66,574,869.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.