Home / 360,542,297.40-540,813,446.10-130,428,344.40

Finding the Fourth Proportional to 360,542,297.40, 540,813,446.10 and 130,428,344.40

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Solution

The fourth proportional to 360,542,297.40, 540,813,446.10 and 130,428,344.40 is: 195,642,516.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,542,297.40 : 540,813,446.10 = 130,428,344.40 : x
  2. Step 2: Convert to fraction form
    360,542,297.40/540,813,446.10 = 130,428,344.40/x
  3. Step 3: Cross multiply
    360,542,297.40x = 540,813,446.10 × 130,428,344.40
  4. Step 4: Simplify right side
    360,542,297.40x = 70,537,402,404,081,640
  5. Step 5: Solve for x
    x = 70,537,402,404,081,640/360,542,297.40
  6. Step 6: Final answer
    x = 195,642,516.60

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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.