Home / 316,969,842.61-475,487,341.33-109,707,914.12

Finding the Fourth Proportional to 316,969,842.61, 475,487,341.33 and 109,707,914.12

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Solution

The fourth proportional to 316,969,842.61, 475,487,341.33 and 109,707,914.12 is: 164,573,146.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,969,842.61 : 475,487,341.33 = 109,707,914.12 : x
  2. Step 2: Convert to fraction form
    316,969,842.61/475,487,341.33 = 109,707,914.12/x
  3. Step 3: Cross multiply
    316,969,842.61x = 475,487,341.33 × 109,707,914.12
  4. Step 4: Simplify right side
    316,969,842.61x = 52,164,724,407,778,768
  5. Step 5: Solve for x
    x = 52,164,724,407,778,768/316,969,842.61
  6. Step 6: Final answer
    x = 164,573,146.70

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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.