Home / 77,478,080.64-106,924,584.48-42,670,762.08

Finding the Fourth Proportional to 77,478,080.64, 106,924,584.48 and 42,670,762.08

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Solution

The fourth proportional to 77,478,080.64, 106,924,584.48 and 42,670,762.08 is: 58,888,313.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,478,080.64 : 106,924,584.48 = 42,670,762.08 : x
  2. Step 2: Convert to fraction form
    77,478,080.64/106,924,584.48 = 42,670,762.08/x
  3. Step 3: Cross multiply
    77,478,080.64x = 106,924,584.48 × 42,670,762.08
  4. Step 4: Simplify right side
    77,478,080.64x = 4,562,553,504,848,941
  5. Step 5: Solve for x
    x = 4,562,553,504,848,941/77,478,080.64
  6. Step 6: Final answer
    x = 58,888,313.54

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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.