Home / 78,581,642.16-108,445,933.44-43,774,323.24

Finding the Fourth Proportional to 78,581,642.16, 108,445,933.44 and 43,774,323.24

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Solution

The fourth proportional to 78,581,642.16, 108,445,933.44 and 43,774,323.24 is: 60,410,386.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,581,642.16 : 108,445,933.44 = 43,774,323.24 : x
  2. Step 2: Convert to fraction form
    78,581,642.16/108,445,933.44 = 43,774,323.24/x
  3. Step 3: Cross multiply
    78,581,642.16x = 108,445,933.44 × 43,774,323.24
  4. Step 4: Simplify right side
    78,581,642.16x = 4,747,147,344,466,085
  5. Step 5: Solve for x
    x = 4,747,147,344,466,085/78,581,642.16
  6. Step 6: Final answer
    x = 60,410,386.12

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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.