Home / 67,999,971.22-93,843,289.73-38,239,985.39

Finding the Fourth Proportional to 67,999,971.22, 93,843,289.73 and 38,239,985.39

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Solution

The fourth proportional to 67,999,971.22, 93,843,289.73 and 38,239,985.39 is: 52,773,052.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,999,971.22 : 93,843,289.73 = 38,239,985.39 : x
  2. Step 2: Convert to fraction form
    67,999,971.22/93,843,289.73 = 38,239,985.39/x
  3. Step 3: Cross multiply
    67,999,971.22x = 93,843,289.73 × 38,239,985.39
  4. Step 4: Simplify right side
    67,999,971.22x = 3,588,566,027,851,120.50
  5. Step 5: Solve for x
    x = 3,588,566,027,851,120.50/67,999,971.22
  6. Step 6: Final answer
    x = 52,773,052.16

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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.