Home / 323,411,410.80-485,117,116.20-93,387,999.60

Finding the Fourth Proportional to 323,411,410.80, 485,117,116.20 and 93,387,999.60

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Solution

The fourth proportional to 323,411,410.80, 485,117,116.20 and 93,387,999.60 is: 140,081,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,411,410.80 : 485,117,116.20 = 93,387,999.60 : x
  2. Step 2: Convert to fraction form
    323,411,410.80/485,117,116.20 = 93,387,999.60/x
  3. Step 3: Cross multiply
    323,411,410.80x = 485,117,116.20 × 93,387,999.60
  4. Step 4: Simplify right side
    323,411,410.80x = 45,304,117,053,638,752
  5. Step 5: Solve for x
    x = 45,304,117,053,638,752/323,411,410.80
  6. Step 6: Final answer
    x = 140,081,999.40

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1.5x scale

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.