Home / 486,833,140.62-730,257,714.81-137,087,621.10

Finding the Fourth Proportional to 486,833,140.62, 730,257,714.81 and 137,087,621.10

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Solution

The fourth proportional to 486,833,140.62, 730,257,714.81 and 137,087,621.10 is: 205,633,685.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,833,140.62 : 730,257,714.81 = 137,087,621.10 : x
  2. Step 2: Convert to fraction form
    486,833,140.62/730,257,714.81 = 137,087,621.10/x
  3. Step 3: Cross multiply
    486,833,140.62x = 730,257,714.81 × 137,087,621.10
  4. Step 4: Simplify right side
    486,833,140.62x = 100,109,292,913,225,120
  5. Step 5: Solve for x
    x = 100,109,292,913,225,120/486,833,140.62
  6. Step 6: Final answer
    x = 205,633,685.47

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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.