Home / 51,817,373.92-77,752,960.98-21,134,463.76

Finding the Fourth Proportional to 51,817,373.92, 77,752,960.98 and 21,134,463.76

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Solution

The fourth proportional to 51,817,373.92, 77,752,960.98 and 21,134,463.76 is: 31,712,667.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,817,373.92 : 77,752,960.98 = 21,134,463.76 : x
  2. Step 2: Convert to fraction form
    51,817,373.92/77,752,960.98 = 21,134,463.76/x
  3. Step 3: Cross multiply
    51,817,373.92x = 77,752,960.98 × 21,134,463.76
  4. Step 4: Simplify right side
    51,817,373.92x = 1,643,267,136,064,504.25
  5. Step 5: Solve for x
    x = 1,643,267,136,064,504.25/51,817,373.92
  6. Step 6: Final answer
    x = 31,712,667.23

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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.