Home / 289,108,026.90-433,662,028.20-84,636,101.34

Finding the Fourth Proportional to 289,108,026.90, 433,662,028.20 and 84,636,101.34

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Solution

The fourth proportional to 289,108,026.90, 433,662,028.20 and 84,636,101.34 is: 126,954,148.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,108,026.90 : 433,662,028.20 = 84,636,101.34 : x
  2. Step 2: Convert to fraction form
    289,108,026.90/433,662,028.20 = 84,636,101.34/x
  3. Step 3: Cross multiply
    289,108,026.90x = 433,662,028.20 × 84,636,101.34
  4. Step 4: Simplify right side
    289,108,026.90x = 36,703,463,366,045,136
  5. Step 5: Solve for x
    x = 36,703,463,366,045,136/289,108,026.90
  6. Step 6: Final answer
    x = 126,954,148.45

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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.