Home / 81,061,059.22-121,573,354.82-37,299,840.80

Finding the Fourth Proportional to 81,061,059.22, 121,573,354.82 and 37,299,840.80

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Solution

The fourth proportional to 81,061,059.22, 121,573,354.82 and 37,299,840.80 is: 55,941,370.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,061,059.22 : 121,573,354.82 = 37,299,840.80 : x
  2. Step 2: Convert to fraction form
    81,061,059.22/121,573,354.82 = 37,299,840.80/x
  3. Step 3: Cross multiply
    81,061,059.22x = 121,573,354.82 × 37,299,840.80
  4. Step 4: Simplify right side
    81,061,059.22x = 4,534,666,779,513,547
  5. Step 5: Solve for x
    x = 4,534,666,779,513,547/81,061,059.22
  6. Step 6: Final answer
    x = 55,941,370.90

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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.