Home / 78,334,047.16-108,103,418.37-43,051,212.04

Finding the Fourth Proportional to 78,334,047.16, 108,103,418.37 and 43,051,212.04

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Solution

The fourth proportional to 78,334,047.16, 108,103,418.37 and 43,051,212.04 is: 59,412,009.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,334,047.16 : 108,103,418.37 = 43,051,212.04 : x
  2. Step 2: Convert to fraction form
    78,334,047.16/108,103,418.37 = 43,051,212.04/x
  3. Step 3: Cross multiply
    78,334,047.16x = 108,103,418.37 × 43,051,212.04
  4. Step 4: Simplify right side
    78,334,047.16x = 4,653,983,186,442,762
  5. Step 5: Solve for x
    x = 4,653,983,186,442,762/78,334,047.16
  6. Step 6: Final answer
    x = 59,412,009.91

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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.