Home / 108,742,820.86-163,063,655.97-39,607,493.50

Finding the Fourth Proportional to 108,742,820.86, 163,063,655.97 and 39,607,493.50

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Solution

The fourth proportional to 108,742,820.86, 163,063,655.97 and 39,607,493.50 is: 59,392,819.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,742,820.86 : 163,063,655.97 = 39,607,493.50 : x
  2. Step 2: Convert to fraction form
    108,742,820.86/163,063,655.97 = 39,607,493.50/x
  3. Step 3: Cross multiply
    108,742,820.86x = 163,063,655.97 × 39,607,493.50
  4. Step 4: Simplify right side
    108,742,820.86x = 6,458,542,693,918,011
  5. Step 5: Solve for x
    x = 6,458,542,693,918,011/108,742,820.86
  6. Step 6: Final answer
    x = 59,392,819.16

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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.