Home / 293,781,719.20-440,689,167.60-89,316,464.80

Finding the Fourth Proportional to 293,781,719.20, 440,689,167.60 and 89,316,464.80

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Solution

The fourth proportional to 293,781,719.20, 440,689,167.60 and 89,316,464.80 is: 133,979,740.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,781,719.20 : 440,689,167.60 = 89,316,464.80 : x
  2. Step 2: Convert to fraction form
    293,781,719.20/440,689,167.60 = 89,316,464.80/x
  3. Step 3: Cross multiply
    293,781,719.20x = 440,689,167.60 × 89,316,464.80
  4. Step 4: Simplify right side
    293,781,719.20x = 39,360,798,525,686,704
  5. Step 5: Solve for x
    x = 39,360,798,525,686,704/293,781,719.20
  6. Step 6: Final answer
    x = 133,979,740.58

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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.