Home / 316,499,778.86-474,706,571.61-83,310,962.18

Finding the Fourth Proportional to 316,499,778.86, 474,706,571.61 and 83,310,962.18

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Solution

The fourth proportional to 316,499,778.86, 474,706,571.61 and 83,310,962.18 is: 124,955,099.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,499,778.86 : 474,706,571.61 = 83,310,962.18 : x
  2. Step 2: Convert to fraction form
    316,499,778.86/474,706,571.61 = 83,310,962.18/x
  3. Step 3: Cross multiply
    316,499,778.86x = 474,706,571.61 × 83,310,962.18
  4. Step 4: Simplify right side
    316,499,778.86x = 39,548,261,233,998,176
  5. Step 5: Solve for x
    x = 39,548,261,233,998,176/316,499,778.86
  6. Step 6: Final answer
    x = 124,955,099.10

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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.