Home / 72,319,759.36-99,759,575.04-43,329,587.20

Finding the Fourth Proportional to 72,319,759.36, 99,759,575.04 and 43,329,587.20

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Solution

The fourth proportional to 72,319,759.36, 99,759,575.04 and 43,329,587.20 is: 59,769,850.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,319,759.36 : 99,759,575.04 = 43,329,587.20 : x
  2. Step 2: Convert to fraction form
    72,319,759.36/99,759,575.04 = 43,329,587.20/x
  3. Step 3: Cross multiply
    72,319,759.36x = 99,759,575.04 × 43,329,587.20
  4. Step 4: Simplify right side
    72,319,759.36x = 4,322,541,205,730,624
  5. Step 5: Solve for x
    x = 4,322,541,205,730,624/72,319,759.36
  6. Step 6: Final answer
    x = 59,769,850.51

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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.