Home / 278,521,670.29-384,368,550.55-153,071,583.64

Finding the Fourth Proportional to 278,521,670.29, 384,368,550.55 and 153,071,583.64

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Solution

The fourth proportional to 278,521,670.29, 384,368,550.55 and 153,071,583.64 is: 211,243,536.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,521,670.29 : 384,368,550.55 = 153,071,583.64 : x
  2. Step 2: Convert to fraction form
    278,521,670.29/384,368,550.55 = 153,071,583.64/x
  3. Step 3: Cross multiply
    278,521,670.29x = 384,368,550.55 × 153,071,583.64
  4. Step 4: Simplify right side
    278,521,670.29x = 58,835,902,732,756,288
  5. Step 5: Solve for x
    x = 58,835,902,732,756,288/278,521,670.29
  6. Step 6: Final answer
    x = 211,243,536.89

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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.