Home / 51,817,313.79-77,752,870.79-21,134,403.63

Finding the Fourth Proportional to 51,817,313.79, 77,752,870.79 and 21,134,403.63

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Solution

The fourth proportional to 51,817,313.79, 77,752,870.79 and 21,134,403.63 is: 31,712,577.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,817,313.79 : 77,752,870.79 = 21,134,403.63 : x
  2. Step 2: Convert to fraction form
    51,817,313.79/77,752,870.79 = 21,134,403.63/x
  3. Step 3: Cross multiply
    51,817,313.79x = 77,752,870.79 × 21,134,403.63
  4. Step 4: Simplify right side
    51,817,313.79x = 1,643,260,554,561,424.75
  5. Step 5: Solve for x
    x = 1,643,260,554,561,424.75/51,817,313.79
  6. Step 6: Final answer
    x = 31,712,577.02

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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.