Home / 308,018,748.72-462,005,028.36-89,670,768.24

Finding the Fourth Proportional to 308,018,748.72, 462,005,028.36 and 89,670,768.24

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Solution

The fourth proportional to 308,018,748.72, 462,005,028.36 and 89,670,768.24 is: 134,499,429.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,018,748.72 : 462,005,028.36 = 89,670,768.24 : x
  2. Step 2: Convert to fraction form
    308,018,748.72/462,005,028.36 = 89,670,768.24/x
  3. Step 3: Cross multiply
    308,018,748.72x = 462,005,028.36 × 89,670,768.24
  4. Step 4: Simplify right side
    308,018,748.72x = 41,428,345,823,784,184
  5. Step 5: Solve for x
    x = 41,428,345,823,784,184/308,018,748.72
  6. Step 6: Final answer
    x = 134,499,429.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.