Home / 108,742,819.86-163,063,654.47-39,607,492.50

Finding the Fourth Proportional to 108,742,819.86, 163,063,654.47 and 39,607,492.50

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Solution

The fourth proportional to 108,742,819.86, 163,063,654.47 and 39,607,492.50 is: 59,392,817.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,742,819.86 : 163,063,654.47 = 39,607,492.50 : x
  2. Step 2: Convert to fraction form
    108,742,819.86/163,063,654.47 = 39,607,492.50/x
  3. Step 3: Cross multiply
    108,742,819.86x = 163,063,654.47 × 39,607,492.50
  4. Step 4: Simplify right side
    108,742,819.86x = 6,458,542,471,443,116
  5. Step 5: Solve for x
    x = 6,458,542,471,443,116/108,742,819.86
  6. Step 6: Final answer
    x = 59,392,817.66

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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.