Home / 210,638,737.25-315,988,330.21-65,085,008.03

Finding the Fourth Proportional to 210,638,737.25, 315,988,330.21 and 65,085,008.03

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Solution

The fourth proportional to 210,638,737.25, 315,988,330.21 and 65,085,008.03 is: 97,636,851.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,638,737.25 : 315,988,330.21 = 65,085,008.03 : x
  2. Step 2: Convert to fraction form
    210,638,737.25/315,988,330.21 = 65,085,008.03/x
  3. Step 3: Cross multiply
    210,638,737.25x = 315,988,330.21 × 65,085,008.03
  4. Step 4: Simplify right side
    210,638,737.25x = 20,566,103,008,912,220
  5. Step 5: Solve for x
    x = 20,566,103,008,912,220/210,638,737.25
  6. Step 6: Final answer
    x = 97,636,851.03

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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.