Home / 358,711,272.60-538,192,880.10-154,302,005.40

Finding the Fourth Proportional to 358,711,272.60, 538,192,880.10 and 154,302,005.40

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Solution

The fourth proportional to 358,711,272.60, 538,192,880.10 and 154,302,005.40 is: 231,507,195.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,711,272.60 : 538,192,880.10 = 154,302,005.40 : x
  2. Step 2: Convert to fraction form
    358,711,272.60/538,192,880.10 = 154,302,005.40/x
  3. Step 3: Cross multiply
    358,711,272.60x = 538,192,880.10 × 154,302,005.40
  4. Step 4: Simplify right side
    358,711,272.60x = 83,044,240,691,431,760
  5. Step 5: Solve for x
    x = 83,044,240,691,431,760/358,711,272.60
  6. Step 6: Final answer
    x = 231,507,195.44

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