Home / 78,098,486.64-107,739,460.44-49,141,077.36

Finding the Fourth Proportional to 78,098,486.64, 107,739,460.44 and 49,141,077.36

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Solution

The fourth proportional to 78,098,486.64, 107,739,460.44 and 49,141,077.36 is: 67,791,751.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,098,486.64 : 107,739,460.44 = 49,141,077.36 : x
  2. Step 2: Convert to fraction form
    78,098,486.64/107,739,460.44 = 49,141,077.36/x
  3. Step 3: Cross multiply
    78,098,486.64x = 107,739,460.44 × 49,141,077.36
  4. Step 4: Simplify right side
    78,098,486.64x = 5,294,433,160,206,699
  5. Step 5: Solve for x
    x = 5,294,433,160,206,699/78,098,486.64
  6. Step 6: Final answer
    x = 67,791,751.01

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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.