Home / 102,368,339.60-141,268,319.28-55,958,782.64

Finding the Fourth Proportional to 102,368,339.60, 141,268,319.28 and 55,958,782.64

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Solution

The fourth proportional to 102,368,339.60, 141,268,319.28 and 55,958,782.64 is: 77,223,125.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,368,339.60 : 141,268,319.28 = 55,958,782.64 : x
  2. Step 2: Convert to fraction form
    102,368,339.60/141,268,319.28 = 55,958,782.64/x
  3. Step 3: Cross multiply
    102,368,339.60x = 141,268,319.28 × 55,958,782.64
  4. Step 4: Simplify right side
    102,368,339.60x = 7,905,203,172,507,641
  5. Step 5: Solve for x
    x = 7,905,203,172,507,641/102,368,339.60
  6. Step 6: Final answer
    x = 77,223,125.86

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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.