Home / 77,937,601.30-107,554,174.89-42,174,042.51

Finding the Fourth Proportional to 77,937,601.30, 107,554,174.89 and 42,174,042.51

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Solution

The fourth proportional to 77,937,601.30, 107,554,174.89 and 42,174,042.51 is: 58,200,332.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,937,601.30 : 107,554,174.89 = 42,174,042.51 : x
  2. Step 2: Convert to fraction form
    77,937,601.30/107,554,174.89 = 42,174,042.51/x
  3. Step 3: Cross multiply
    77,937,601.30x = 107,554,174.89 × 42,174,042.51
  4. Step 4: Simplify right side
    77,937,601.30x = 4,535,994,344,184,010
  5. Step 5: Solve for x
    x = 4,535,994,344,184,010/77,937,601.30
  6. Step 6: Final answer
    x = 58,200,332.94

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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.