Home / 123,941,045.74-171,035,209.04-67,423,917.82

Finding the Fourth Proportional to 123,941,045.74, 171,035,209.04 and 67,423,917.82

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Solution

The fourth proportional to 123,941,045.74, 171,035,209.04 and 67,423,917.82 is: 93,043,138.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,941,045.74 : 171,035,209.04 = 67,423,917.82 : x
  2. Step 2: Convert to fraction form
    123,941,045.74/171,035,209.04 = 67,423,917.82/x
  3. Step 3: Cross multiply
    123,941,045.74x = 171,035,209.04 × 67,423,917.82
  4. Step 4: Simplify right side
    123,941,045.74x = 11,531,863,878,639,480
  5. Step 5: Solve for x
    x = 11,531,863,878,639,480/123,941,045.74
  6. Step 6: Final answer
    x = 93,043,138.45

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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.