Home / 321,731,330.40-482,722,966.80-117,280,072.80

Finding the Fourth Proportional to 321,731,330.40, 482,722,966.80 and 117,280,072.80

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Solution

The fourth proportional to 321,731,330.40, 482,722,966.80 and 117,280,072.80 is: 175,966,029.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,731,330.40 : 482,722,966.80 = 117,280,072.80 : x
  2. Step 2: Convert to fraction form
    321,731,330.40/482,722,966.80 = 117,280,072.80/x
  3. Step 3: Cross multiply
    321,731,330.40x = 482,722,966.80 × 117,280,072.80
  4. Step 4: Simplify right side
    321,731,330.40x = 56,613,784,688,535,984
  5. Step 5: Solve for x
    x = 56,613,784,688,535,984/321,731,330.40
  6. Step 6: Final answer
    x = 175,966,029.23

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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.