Home / 76,924,611.36-106,155,969.12-42,117,304.32

Finding the Fourth Proportional to 76,924,611.36, 106,155,969.12 and 42,117,304.32

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Solution

The fourth proportional to 76,924,611.36, 106,155,969.12 and 42,117,304.32 is: 58,121,882.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,924,611.36 : 106,155,969.12 = 42,117,304.32 : x
  2. Step 2: Convert to fraction form
    76,924,611.36/106,155,969.12 = 42,117,304.32/x
  3. Step 3: Cross multiply
    76,924,611.36x = 106,155,969.12 × 42,117,304.32
  4. Step 4: Simplify right side
    76,924,611.36x = 4,471,003,256,811,563
  5. Step 5: Solve for x
    x = 4,471,003,256,811,563/76,924,611.36
  6. Step 6: Final answer
    x = 58,121,882.94

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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.