Home / 56,990,027.03-78,646,304.57-30,884,544.72

Finding the Fourth Proportional to 56,990,027.03, 78,646,304.57 and 30,884,544.72

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Solution

The fourth proportional to 56,990,027.03, 78,646,304.57 and 30,884,544.72 is: 42,620,708.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,990,027.03 : 78,646,304.57 = 30,884,544.72 : x
  2. Step 2: Convert to fraction form
    56,990,027.03/78,646,304.57 = 30,884,544.72/x
  3. Step 3: Cross multiply
    56,990,027.03x = 78,646,304.57 × 30,884,544.72
  4. Step 4: Simplify right side
    56,990,027.03x = 2,428,955,310,400,482.50
  5. Step 5: Solve for x
    x = 2,428,955,310,400,482.50/56,990,027.03
  6. Step 6: Final answer
    x = 42,620,708.17

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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.