Home / 309,385,962.16-464,072,201.80-145,532,897.62

Finding the Fourth Proportional to 309,385,962.16, 464,072,201.80 and 145,532,897.62

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Solution

The fourth proportional to 309,385,962.16, 464,072,201.80 and 145,532,897.62 is: 218,296,175.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,385,962.16 : 464,072,201.80 = 145,532,897.62 : x
  2. Step 2: Convert to fraction form
    309,385,962.16/464,072,201.80 = 145,532,897.62/x
  3. Step 3: Cross multiply
    309,385,962.16x = 464,072,201.80 × 145,532,897.62
  4. Step 4: Simplify right side
    309,385,962.16x = 67,537,772,232,847,384
  5. Step 5: Solve for x
    x = 67,537,772,232,847,384/309,385,962.16
  6. Step 6: Final answer
    x = 218,296,175.31

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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.