Home / 210,638,739.24-315,988,333.22-65,085,010.02

Finding the Fourth Proportional to 210,638,739.24, 315,988,333.22 and 65,085,010.02

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Solution

The fourth proportional to 210,638,739.24, 315,988,333.22 and 65,085,010.02 is: 97,636,854.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,638,739.24 : 315,988,333.22 = 65,085,010.02 : x
  2. Step 2: Convert to fraction form
    210,638,739.24/315,988,333.22 = 65,085,010.02/x
  3. Step 3: Cross multiply
    210,638,739.24x = 315,988,333.22 × 65,085,010.02
  4. Step 4: Simplify right side
    210,638,739.24x = 20,566,103,833,826,800
  5. Step 5: Solve for x
    x = 20,566,103,833,826,800/210,638,739.24
  6. Step 6: Final answer
    x = 97,636,854.02

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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.