Home / 294,047,138.90-440,432,979.15-243,028,802.90

Finding the Fourth Proportional to 294,047,138.90, 440,432,979.15 and 243,028,802.90

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Solution

The fourth proportional to 294,047,138.90, 440,432,979.15 and 243,028,802.90 is: 364,016,123.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,047,138.90 : 440,432,979.15 = 243,028,802.90 : x
  2. Step 2: Convert to fraction form
    294,047,138.90/440,432,979.15 = 243,028,802.90/x
  3. Step 3: Cross multiply
    294,047,138.90x = 440,432,979.15 × 243,028,802.90
  4. Step 4: Simplify right side
    294,047,138.90x = 107,037,899,680,505,152
  5. Step 5: Solve for x
    x = 107,037,899,680,505,152/294,047,138.90
  6. Step 6: Final answer
    x = 364,016,123.68

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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.