Home / 331,896,128.40-497,844,192.60-89,558,643.60

Finding the Fourth Proportional to 331,896,128.40, 497,844,192.60 and 89,558,643.60

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Solution

The fourth proportional to 331,896,128.40, 497,844,192.60 and 89,558,643.60 is: 134,337,965.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,896,128.40 : 497,844,192.60 = 89,558,643.60 : x
  2. Step 2: Convert to fraction form
    331,896,128.40/497,844,192.60 = 89,558,643.60/x
  3. Step 3: Cross multiply
    331,896,128.40x = 497,844,192.60 × 89,558,643.60
  4. Step 4: Simplify right side
    331,896,128.40x = 44,586,250,613,393,160
  5. Step 5: Solve for x
    x = 44,586,250,613,393,160/331,896,128.40
  6. Step 6: Final answer
    x = 134,337,965.40

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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.