Home / 78,334,048.16-108,103,419.75-43,051,213.04

Finding the Fourth Proportional to 78,334,048.16, 108,103,419.75 and 43,051,213.04

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Solution

The fourth proportional to 78,334,048.16, 108,103,419.75 and 43,051,213.04 is: 59,412,011.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,334,048.16 : 108,103,419.75 = 43,051,213.04 : x
  2. Step 2: Convert to fraction form
    78,334,048.16/108,103,419.75 = 43,051,213.04/x
  3. Step 3: Cross multiply
    78,334,048.16x = 108,103,419.75 × 43,051,213.04
  4. Step 4: Simplify right side
    78,334,048.16x = 4,653,983,354,009,793
  5. Step 5: Solve for x
    x = 4,653,983,354,009,793/78,334,048.16
  6. Step 6: Final answer
    x = 59,412,011.29

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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.