Home / 31,172,122,228.34-43,017,867,262.28-18,312,304,204.04

Finding the Fourth Proportional to 31,172,122,228.34, 43,017,867,262.28 and 18,312,304,204.04

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Solution

The fourth proportional to 31,172,122,228.34, 43,017,867,262.28 and 18,312,304,204.04 is: 25,271,178,707.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,172,122,228.34 : 43,017,867,262.28 = 18,312,304,204.04 : x
  2. Step 2: Convert to fraction form
    31,172,122,228.34/43,017,867,262.28 = 18,312,304,204.04/x
  3. Step 3: Cross multiply
    31,172,122,228.34x = 43,017,867,262.28 × 18,312,304,204.04
  4. Step 4: Simplify right side
    31,172,122,228.34x = 787,756,271,515,724,546,048
  5. Step 5: Solve for x
    x = 787,756,271,515,724,546,048/31,172,122,228.34
  6. Step 6: Final answer
    x = 25,271,178,707.22

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1.5x scale

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.