Home / 288,706,739.10-433,108,630.89-143,147,484.06

Finding the Fourth Proportional to 288,706,739.10, 433,108,630.89 and 143,147,484.06

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Solution

The fourth proportional to 288,706,739.10, 433,108,630.89 and 143,147,484.06 is: 214,745,284.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,706,739.10 : 433,108,630.89 = 143,147,484.06 : x
  2. Step 2: Convert to fraction form
    288,706,739.10/433,108,630.89 = 143,147,484.06/x
  3. Step 3: Cross multiply
    288,706,739.10x = 433,108,630.89 × 143,147,484.06
  4. Step 4: Simplify right side
    288,706,739.10x = 61,998,410,836,574,696
  5. Step 5: Solve for x
    x = 61,998,410,836,574,696/288,706,739.10
  6. Step 6: Final answer
    x = 214,745,284.54

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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.