Home / 77,969,312.16-107,598,501.72-43,162,583.64

Finding the Fourth Proportional to 77,969,312.16, 107,598,501.72 and 43,162,583.64

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Solution

The fourth proportional to 77,969,312.16, 107,598,501.72 and 43,162,583.64 is: 59,564,836.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,969,312.16 : 107,598,501.72 = 43,162,583.64 : x
  2. Step 2: Convert to fraction form
    77,969,312.16/107,598,501.72 = 43,162,583.64/x
  3. Step 3: Cross multiply
    77,969,312.16x = 107,598,501.72 × 43,162,583.64
  4. Step 4: Simplify right side
    77,969,312.16x = 4,644,229,330,028,184
  5. Step 5: Solve for x
    x = 4,644,229,330,028,184/77,969,312.16
  6. Step 6: Final answer
    x = 59,564,836.49

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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.