Home / 463,440,015.20-695,160,022.80-140,339,957.60

Finding the Fourth Proportional to 463,440,015.20, 695,160,022.80 and 140,339,957.60

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Solution

The fourth proportional to 463,440,015.20, 695,160,022.80 and 140,339,957.60 is: 210,509,936.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,440,015.20 : 695,160,022.80 = 140,339,957.60 : x
  2. Step 2: Convert to fraction form
    463,440,015.20/695,160,022.80 = 140,339,957.60/x
  3. Step 3: Cross multiply
    463,440,015.20x = 695,160,022.80 × 140,339,957.60
  4. Step 4: Simplify right side
    463,440,015.20x = 97,558,728,124,967,024
  5. Step 5: Solve for x
    x = 97,558,728,124,967,024/463,440,015.20
  6. Step 6: Final answer
    x = 210,509,936.40

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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.