Home / 331,857,187.20-497,785,780.80-89,544,585.60

Finding the Fourth Proportional to 331,857,187.20, 497,785,780.80 and 89,544,585.60

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Solution

The fourth proportional to 331,857,187.20, 497,785,780.80 and 89,544,585.60 is: 134,316,878.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,857,187.20 : 497,785,780.80 = 89,544,585.60 : x
  2. Step 2: Convert to fraction form
    331,857,187.20/497,785,780.80 = 89,544,585.60/x
  3. Step 3: Cross multiply
    331,857,187.20x = 497,785,780.80 × 89,544,585.60
  4. Step 4: Simplify right side
    331,857,187.20x = 44,574,021,459,308,432
  5. Step 5: Solve for x
    x = 44,574,021,459,308,432/331,857,187.20
  6. Step 6: Final answer
    x = 134,316,878.40

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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.