Home / 316,499,778.36-474,706,570.86-83,310,961.68

Finding the Fourth Proportional to 316,499,778.36, 474,706,570.86 and 83,310,961.68

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Solution

The fourth proportional to 316,499,778.36, 474,706,570.86 and 83,310,961.68 is: 124,955,098.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,499,778.36 : 474,706,570.86 = 83,310,961.68 : x
  2. Step 2: Convert to fraction form
    316,499,778.36/474,706,570.86 = 83,310,961.68/x
  3. Step 3: Cross multiply
    316,499,778.36x = 474,706,570.86 × 83,310,961.68
  4. Step 4: Simplify right side
    316,499,778.36x = 39,548,260,934,161,672
  5. Step 5: Solve for x
    x = 39,548,260,934,161,672/316,499,778.36
  6. Step 6: Final answer
    x = 124,955,098.35

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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.