Home / 78,143,693.94-117,185,746.05-26,314,381.26

Finding the Fourth Proportional to 78,143,693.94, 117,185,746.05 and 26,314,381.26

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Solution

The fourth proportional to 78,143,693.94, 117,185,746.05 and 26,314,381.26 is: 39,461,538.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,143,693.94 : 117,185,746.05 = 26,314,381.26 : x
  2. Step 2: Convert to fraction form
    78,143,693.94/117,185,746.05 = 26,314,381.26/x
  3. Step 3: Cross multiply
    78,143,693.94x = 117,185,746.05 × 26,314,381.26
  4. Step 4: Simplify right side
    78,143,693.94x = 3,083,670,399,797,239
  5. Step 5: Solve for x
    x = 3,083,670,399,797,239/78,143,693.94
  6. Step 6: Final answer
    x = 39,461,538.66

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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.