Home / 331,955,132.40-497,932,698.60-168,696,457.20

Finding the Fourth Proportional to 331,955,132.40, 497,932,698.60 and 168,696,457.20

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Solution

The fourth proportional to 331,955,132.40, 497,932,698.60 and 168,696,457.20 is: 253,044,685.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,955,132.40 : 497,932,698.60 = 168,696,457.20 : x
  2. Step 2: Convert to fraction form
    331,955,132.40/497,932,698.60 = 168,696,457.20/x
  3. Step 3: Cross multiply
    331,955,132.40x = 497,932,698.60 × 168,696,457.20
  4. Step 4: Simplify right side
    331,955,132.40x = 83,999,482,177,855,392
  5. Step 5: Solve for x
    x = 83,999,482,177,855,392/331,955,132.40
  6. Step 6: Final answer
    x = 253,044,685.80

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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.