Home / 312,076,039.68-468,055,535.27-156,588,099.08

Finding the Fourth Proportional to 312,076,039.68, 468,055,535.27 and 156,588,099.08

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Solution

The fourth proportional to 312,076,039.68, 468,055,535.27 and 156,588,099.08 is: 234,852,783.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,076,039.68 : 468,055,535.27 = 156,588,099.08 : x
  2. Step 2: Convert to fraction form
    312,076,039.68/468,055,535.27 = 156,588,099.08/x
  3. Step 3: Cross multiply
    312,076,039.68x = 468,055,535.27 × 156,588,099.08
  4. Step 4: Simplify right side
    312,076,039.68x = 73,291,926,528,677,968
  5. Step 5: Solve for x
    x = 73,291,926,528,677,968/312,076,039.68
  6. Step 6: Final answer
    x = 234,852,783.33

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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.