Home / 293,021,310.80-439,531,966.20-88,580,939.60

Finding the Fourth Proportional to 293,021,310.80, 439,531,966.20 and 88,580,939.60

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Solution

The fourth proportional to 293,021,310.80, 439,531,966.20 and 88,580,939.60 is: 132,871,409.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,021,310.80 : 439,531,966.20 = 88,580,939.60 : x
  2. Step 2: Convert to fraction form
    293,021,310.80/439,531,966.20 = 88,580,939.60/x
  3. Step 3: Cross multiply
    293,021,310.80x = 439,531,966.20 × 88,580,939.60
  4. Step 4: Simplify right side
    293,021,310.80x = 38,934,154,550,231,440
  5. Step 5: Solve for x
    x = 38,934,154,550,231,440/293,021,310.80
  6. Step 6: Final answer
    x = 132,871,409.40

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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.