Home / 145,550,959.77-200,863,121.16-79,474,076.94

Finding the Fourth Proportional to 145,550,959.77, 200,863,121.16 and 79,474,076.94

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Solution

The fourth proportional to 145,550,959.77, 200,863,121.16 and 79,474,076.94 is: 109,675,753.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,550,959.77 : 200,863,121.16 = 79,474,076.94 : x
  2. Step 2: Convert to fraction form
    145,550,959.77/200,863,121.16 = 79,474,076.94/x
  3. Step 3: Cross multiply
    145,550,959.77x = 200,863,121.16 × 79,474,076.94
  4. Step 4: Simplify right side
    145,550,959.77x = 15,963,411,145,478,382
  5. Step 5: Solve for x
    x = 15,963,411,145,478,382/145,550,959.77
  6. Step 6: Final answer
    x = 109,675,753.23

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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.