Home / 56,322,079.12-77,759,573.16-38,711,305.36

Finding the Fourth Proportional to 56,322,079.12, 77,759,573.16 and 38,711,305.36

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Solution

The fourth proportional to 56,322,079.12, 77,759,573.16 and 38,711,305.36 is: 53,445,729.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,322,079.12 : 77,759,573.16 = 38,711,305.36 : x
  2. Step 2: Convert to fraction form
    56,322,079.12/77,759,573.16 = 38,711,305.36/x
  3. Step 3: Cross multiply
    56,322,079.12x = 77,759,573.16 × 38,711,305.36
  4. Step 4: Simplify right side
    56,322,079.12x = 3,010,174,581,260,020
  5. Step 5: Solve for x
    x = 3,010,174,581,260,020/56,322,079.12
  6. Step 6: Final answer
    x = 53,445,729.07

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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.