Home / 77,251,406.40-115,877,109.60-29,376,129.60

Finding the Fourth Proportional to 77,251,406.40, 115,877,109.60 and 29,376,129.60

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Solution

The fourth proportional to 77,251,406.40, 115,877,109.60 and 29,376,129.60 is: 44,064,194.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,251,406.40 : 115,877,109.60 = 29,376,129.60 : x
  2. Step 2: Convert to fraction form
    77,251,406.40/115,877,109.60 = 29,376,129.60/x
  3. Step 3: Cross multiply
    77,251,406.40x = 115,877,109.60 × 29,376,129.60
  4. Step 4: Simplify right side
    77,251,406.40x = 3,404,020,989,283,004
  5. Step 5: Solve for x
    x = 3,404,020,989,283,004/77,251,406.40
  6. Step 6: Final answer
    x = 44,064,194.40

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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.