Home / 200,510,113.94-300,706,822.98-77,661,031.40

Finding the Fourth Proportional to 200,510,113.94, 300,706,822.98 and 77,661,031.40

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Solution

The fourth proportional to 200,510,113.94, 300,706,822.98 and 77,661,031.40 is: 116,468,947.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,510,113.94 : 300,706,822.98 = 77,661,031.40 : x
  2. Step 2: Convert to fraction form
    200,510,113.94/300,706,822.98 = 77,661,031.40/x
  3. Step 3: Cross multiply
    200,510,113.94x = 300,706,822.98 × 77,661,031.40
  4. Step 4: Simplify right side
    200,510,113.94x = 23,353,202,020,140,488
  5. Step 5: Solve for x
    x = 23,353,202,020,140,488/200,510,113.94
  6. Step 6: Final answer
    x = 116,468,947.93

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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.