Home / 78,084,825.15-117,127,237.73-37,774,041.15

Finding the Fourth Proportional to 78,084,825.15, 117,127,237.73 and 37,774,041.15

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Solution

The fourth proportional to 78,084,825.15, 117,127,237.73 and 37,774,041.15 is: 56,661,061.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,084,825.15 : 117,127,237.73 = 37,774,041.15 : x
  2. Step 2: Convert to fraction form
    78,084,825.15/117,127,237.73 = 37,774,041.15/x
  3. Step 3: Cross multiply
    78,084,825.15x = 117,127,237.73 × 37,774,041.15
  4. Step 4: Simplify right side
    78,084,825.15x = 4,424,369,097,609,982
  5. Step 5: Solve for x
    x = 4,424,369,097,609,982/78,084,825.15
  6. Step 6: Final answer
    x = 56,661,061.73

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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.